What statement about enzymes and pH is true?

A Most enzymes require a very acidic environment to function well.

B Most enzymes require a very basic environment to function well.

C Enzymes are unaffected by changes in pH levels.

D Enzymes require a specific range of pH values to function.

Answers

Answer 1

Answer:

D. Enzymes require a specific range of pH values to function.

Explanation:

Enzymes function the best in a neutral pH, rather than in very acidic or basic environments.

Enzymes are very affected by changes in pH levels because they perform much better in neutral environments.

Answer 2
Answer is D. Enzymes

Related Questions

After winning power, the Jacobins sought strong leadership to face overwhelming challenges by asking for direction from England’s political leadership. deciding to form the Committee of Public Safety. using the leadership of former supporters of the monarchy. using the leadership of former supporters of the Church.

Answers

Answer:

It’s b

Explanation:

After winning power, the Jacobins sought strong leadership to face overwhelming challenges by deciding to form the Committee of Public Safety.

What is the Committee of Public Safety?

It should be developed by the National Convention in the year 1793 for defending the nation that should be against the foreign and the domestic enemies.

Also, it oversees the new functions of the executive government.

Therefore, we can say that it helped to decide to create the Committee of Public Safety.

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The graph shows how temperature relates to altitude. Which two statements are supported by the data in the graph?

Answers

Here, we can see in the given picture, The lowest temperature was observed in the Mesophere layer. The temperature is gradually decreasing from 0°C to -100°C(approx.) as the altitude increases. So we can say that,

Appropriate Answer:-

The mesosphere tends to get colder at higher altitudes.

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Rest options are not correct because of the wrong observation and reason provided which are matching to the predictions made from the picture.

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Answer:

The temperature in the thermosphere increases because the Sun’s ultraviolet and x-ray radiation are absorbed here.

Explanation:

This is the second statement that is supported by the literature, but cannot be seen via the graph, so make certain that you select this answer as well. The question requires that you select TWO statements supported by the graph data.

Which of the following organelles
contains the genetic information
which is passed down from one
generation into the next?
A. The nucleus
B. The nucleolus
C. The chromosomes
D. The nuclear membrane

Answers

Answer: I’m pretty sure the answer is a.) the nucleus.

The nucleus, contains the genetic information which is passed down from one generation into the next.

What structure in a cell contains the genetic information?

Nucleus. The nucleus serves as the cell's command center, sending directions to the cell to grow, mature, divide, or die. It also houses DNA (deoxyribonucleic acid), the cell's hereditary material.

Thus, option "A" is correct.

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What did the Tennessee court decide in the Scopes trial?
A. Scopes broke the law by teaching evolution.
O B. Humans evolved from monkeys.
C. Humans didn't evolve from monkeys
D. It was unconstitutional to teach evolution.​

Answers

A. Scopes broke the law by teaching evolution

The Tennessee court decided in the Scopes trial that scopes broke the law by teaching evolution. Therefore, option (A) is correct.

The Tennessee court found that John T. Scopes violated the Butler Act by teaching evolution in a state-funded school. The Butler Act banned human evolution in Tennessee schools. High school teacher Scopes purposefully taught evolution to dispute the law's constitutionality and promote academic freedom.

Scopes was convicted and fined in 1925. The trial symbolised the US conflict between contemporary science and old religion.

The Butler Act was upheld and Scopes found guilty, but the case ignited debate on evolution in education and church-state separation. It led to landmark judgements on academic freedom and constitutional rights in education and legal disputes over teaching evolution in public schools. Therefore, option (A) is correct.

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_____consists of 6 different dimensions-physical, emotional, intellectual, spiritual, social, and environmental. A. Health B. Wellness C. Risk Factors D. Diseases

Answers

wellness because the national wellness institute offers 6 dimensions of wellness
Your answer will be wellness

Why Kiwi(Bird in NZ) doesn't fly?

Answers

It’s wings are too small and it’s body is to fat

Answer:

Their wings are vestigial, as the kiwi birds are descended from flying ancestors.

Explanation:

Their pectoral muscles are not anchored to the breast bone in a way that enables them to fly, and their wings are very small and underdeveloped meaning they wouldnt be able to gain lift with them.

Which zone is most likely to be home to algae?
O A. Benthic
O B. Limnetic
O C. Profundal
O D. Aquifer

Answers

I think the answer would be B

Answer: Limnetic

Explanation: your answer if you’re on 2.1.4 quiz for envio. Science

Consider the image of our solar system. Based on your knowledge of gravitational attraction, which planet has the largest gravitational force? A) Earth B) Jupiter C) Mercury D) Neptune

Answers

Answer:

Jupiter

Explanation:

Jupiter is the fifth planet from our Sun and is, by far, the largest planet in the solar system – more than twice as massive as all the other planets combined. Jupiter's stripes and swirls are actually cold, windy clouds of ammonia and water, floating in an atmosphere of hydrogen and helium. Jupiter’s iconic Great Red Spot is a giant storm bigger than Earth that has raged for hundreds of years.

With a radius of 43,440.7 miles (69,911 kilometers), Jupiter is 11 times wider than Earth. If Earth were the size of a nickel, Jupiter would be about as big as a basketball.

From an average distance of 484 million miles (778 million kilometers), Jupiter is 5.2 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth. From this distance, it takes Sunlight 43 minutes to travel from the Sun to Jupiter.

Jupiter, because it’s the largest and most massive in our solar system.

A terrarium is a small, enclosed ecosystem. If you change certain aspects of the terrarium, the climate that exists inside it will also change. Examine the image of a terrarium. Then identify one attribute of the terrarium that you could change to alter the climate inside. How would this change mimic the climate changes that we see on Earth?

Answers

Answer: Putting a lid on the terrarium will increase the humidity.

Explanation:

Putting a lid on the terrarium will increase the humidity.

What is Humidity?

Humidity is a measurement of the air's water vapor content. If there is a lot of water vapor in the air, the humidity will be high. As the humidity increases, it feels more humid outside.

In weather reports, humidity is frequently described using the word "relative humidity." The percentage of the maximum quantity of water vapor that the air can hold at a given temperature that is actually present in the air is referred to as relative humidity.

A chilling -10 degrees Celsius in the air (14 degrees Fahrenheit). At this temperature, the air can only hold 2.2 grams of water per cubic meter.

Therefore, Putting a lid on the terrarium will increase the humidity.

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Biologist John Cena took 4 samples of unknown homologous cells. He observed that there were 12 pairs of chromosome of each sample in diploid state. Then they were allowed for cell division for 3 times. After last division, it was founded that, every reproduced cell was in haploid state. What is the total number of chromosomal DNA molecules in all reproduced cells?

Answers

Answer
46 diploid cell 26 haploid cells
Chromatic homologous cells he observed that there were 12 pairs of chromosome diploid state then they were allowed to for cell division for 3 times

You wish to study the impact of synthetic estrogen like hormones on the health of whales (and people). Select the organism from the table below that would be best to use in your research. Why did you select this organism?


Model Organism Characteristics

Yeast------------------Single celled, eukaryotic (contains a nucleus)
Fruit fly---------------Multicellular, eukaryotic, invertebrate, arthropod
Zebrafish-------------Multicellular, eukaryotic, vertebrate, fish
Mouse-----------------Multicellular, eukaryotic, vertebrate, mammal


Fruit flies, because they are multicellular like whales
Mouse, because they are mammals like whales
Yeast, because they are eukaryotic like whales
Zebrafish, because they live in the water like whales

Answers

Answer:

Because humans are multicellular, eukaryotic (contains a nucleus), vertebrates, and mammals, the best organism to test the synthetic hormones on would be a mouse.

Explanation:

Humans and whales are multicellular (they have many cells) and their cells are eukaryotic (contain a nucleus). They also have a backbone (spinal column), which makes them a vertebrate. Finally, all humans and whales are mammals. Therefore, to get the best results, the testing should be performed on a mouse.

Performing the experiment on yeast would give good results for singular-celled organisms, like protozoa.Performing the experiment on a fruit fly would give good results for multicellular invertebrates, like spiders.Performing the experiment on zebrafish would give good results for all fish in general.

The answer is a mouse

GIVING 100 POINT AND BRAINLIEST! :)

Study the image of this rock.

Which characteristic best supports its formation from sedimentary processes?

It has many layers.
It is coarse-grained.
Its grain shape is round.
Its texture is non-banded.

Answers

Answer:

It has many layers!

Explanation:

Helloo

[tex]Hello[/tex] [tex]There![/tex]

The answer is...

A. It has many layers.

Because, it shows a factors of many layers.

Hopefully, this helps you!!

[tex]AnimeVines[/tex]

explain the technology watney used in the first chapter of the martian

Answers

Answer:

Image result for Explain the technology watney used in the first chapter of the martian

The Mars Ascent Vehicle in "The Martian" is powered by a radioisotope thermoelectric generator (RTG), which converts the heat of the radioactive decay of plutonium-238 into electricity. This RTG is buried a safe distance away from the pioneers' living quarters.

Explanation:

Answer:old tech

Explanation:

Prince Burgers and Fries
Prince Burgers and Fries restaurant has created a new sauce that allegedly will reduce the production of body gas associated with eating its gourmet burgers. The manager at the restaurant, Sheila E., recruits 100 customers with a history of gas problems. She has 50 of them (Group A) eat gourmet burgers with the new sauce. The other 50 (Group B) eat gourmet burgers with sauce that looks just like the new sauce but is really just a mixture of mayonnaise and food coloring. Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the gourmet burgers, 30 customers in Group A reported having fewer gas problems and 8 customers in Group B reported having fewer gas problems.

A. Which people are in the control group?
B. What is the independent variable?
C. What is the dependent variable?
D. What should the restaurant’s conclusion be?

Answers

Answer:

A. Group B

B. Group A eats gourmet burgers with the new sauce and Group B eats gourmet burgers with sauce that looks just like the new sauce

Explanation:

C. Group A reported 30 customers having fewer gas problems and Group B reported 8 customers having fewer gas problems.

D. The new sauce works for some people

hope this help and pls mark brainiest

Have a great day today!!

Refer to the tree of life shown above. What can you conclude about fungus?

Answers

Answer:

D

Explanation:

fungi are more closely related to bacteria than to archea

the anwser is d. hhghhhhhhhhhhhhh

1. a) Explain the possible pathways a water molecule can take as it makes its way through the
water cycle. Use the following terms in your explanation: precipitation, evaporation, runoff,
transpiration, condensation, percolation, and precipitation.
Start with the molecule falling as precipitation. (4 points)

Answers

Answer:

Precipitation:

At the right atmospheric conditions of pressure and temperature the small droplets of water forms the large droplets in the cloud and falls down to earth, this phenomenon or process known as precipitation.

Runoff:

As the water falls due to precipitation termed as rainfall which usually streams down the earth to various water bodies such as lakes, rivers and oceans. This is known as runoff.

Infiltration:

the movement or going back under the surface of the earth or ground is known as infiltration and it is necessary to maintain ground level of water.

Transpiration:

The roots of the plants absorbs the water that went through the soil which move to various part of the plant body from their it evaporates and move to the atmosphere. It is known as transpiration.

Evaporation:

This process takes place when water converts from the liquid state to the gaseous state.

Condensation:

Condensation is takes place when conversion of gaseous state into the liquid state.

Precipitation again and cycle keep moving.

Answer:

Water always takes the path of least resistance. You ask to much for just 4 pts. All the terms you want outlined can simply be found in a DICTIONARY.

Explanation:

Which of the following pushes the
two newly formed plant cells apart
during cytokinesiş, after which it
gets replaced?
A. cell wall
B. cell barrier
C. cell plate

Answers

Answer: A- cell wall
A new cell wall forms between the two membranes of the cell plate.
The answer would be A

What is found in every living
organism.

A. Carbon is

B. Hydroxide is

C. Neither carbon nor hydroxide is

Answers

Answer:

A I think sorry if its wrong

Answer:

A. Carbon

Explanation:

In every organism you can find CHNOPS; these elements are Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus and Sulfer.

Mutations can be the cause of
some
A. altered proteins
B. genetic disorders
C. Both a and b are correct.

Answers

the answer would be b genetic disorders

I would say your answer is C.

Mutations contribute to genetic variation within species. Some mutations affect the gene that instructs the building of a protein. So mutations can cause altered protiens AND genetic disorders.

How would you explain that the geological processes occurring today are similar to geological processes that took place a long time ago?

Answers

Answer:

Geological processes" are defined as the natural forces that changes the shape of Earth. Several geological processes include erosion, sedimentation and chemical weathering that affect the Earth’s surface.

So, the geological processes such as plate tectonics and erosion et-cetra are occurring long time and still occurring in the Earth environment.

The first correct answer will be marked as brainliest

Answers

Answer:

the second red dot

Explanation:

Answer:

The upper right red circle.

Explanation:

This area is shows Minnesota to Lake Michigan, which is the largest body of water shown. The upper right red circle is the closest circle to Lake Michigan. As weather is deeply linked to weather systems, the area closest to a large body of water will experience the most devastating effects.

Which feature is not the result of a glacier carving out rock as it moves?

A. Cirque

B. Terminal moraine

C. Fjord

D. Horn peak

Answers

Answer:

B. Terminal moraine

Explanation:

Terminal moraine forms at the end of a glacier due to contact abrasive action of the rocks. The glacier carving out rock as it moves doesn’t occur in the terminal moraine.

The Cirque, Horn peak and Fjord are all processes characterized by the glaciers carving out rocks as they are moved by elements such as wind and water.

The answers is









Terminal moraine

Select all of the correct answers.
Which statements are true?
1. Science is a collection of facts that does not evolw! We have gained all the knowledge we can from
science.
2. Scientists observe natural events occurring around them. They question these observations and
Investigate them.
3. All scientists follow one scientific method of Investigation.
4. If a hypothesis is not verified by the results from the scientific method, scientists may either redo
the process or create a new hypothesis.
5. Once they reach a conclusion, scientists often keep the results to themselves.

Answers

Answer: 2, 3, 4,

Explanation:

It would be 2,3,4 i think

Which occurs in both the lytic cycle and the lysogenic cycle?
destruction of host cell
integration of viral and host genetic information
production of virus particles
hijacking of host cell's metabolism

Answers

Hijacking of host cell’s metabolism

Answer:

D hijacking of host cell's metabolism

Explanation:

got it right on quiz

why do we use directional terminology in anatomy

Answers

Answer:

Directional terms such as anterior and posterior are essential for accurately describing the relative locations of body structures.

Explanation:

Understanding terminology ensures doctors and technicians have a shared method of communicating, which helps to avoid confusion when pinpointing structures and describing locations of lesions. Knowing your directional terms makes things clear and saves time!

Why do the cells have so many different organelles and structures?
What are the main differences between cell walls and cell membranes?

Answers

The cell consists of many different cell organelle because it is just like the human body. The human body has many organ systems working and performing different functions to keep us alive. Similarily, even cells have different organelle performing different functions.

Answer:their function

Explanation:

Easy question!!!!!

pls help!!
will give the brainliest!!
plz help!!
just write the letters of the correct parts.
Pls answer correctly.​
Urgent!!

Answers

Answer:

h is cornea

a is choroid

c is retina

f is iris

d is optic nerve

That person is right

Describe formation of proteins for export.

Answers

Answer:

Protein formation is the transcription and mature exported by the cytoplasm it is translated, chain and folds is modified.

Explanation:

Protein performs a critical functions as protein or hormones are crucial biological components,protein can be divide into two phase translation and transaction.

Protein is that production of cellular protein process inside the cell balancing is core biological process,transcription is the section of DNA encoding a protein converted by the messenger RNA.

Protein is the must form a functional protein correctly in a produce  a functional active site, function is located by the cell and protein to interact other protein.

Protein is the key role to play in the human body in disease change in this process causes of  disease,protein are used to production of other proteins and by controlling protein synthesis.

Protein is that long chains and they amino acid can be in any order, function of protein  dependent on the protein shape, protein is the part of the membrane and ejected the cell.  

If the gasoline floats on the surface of the puddle, what does that tell you about how its density compares to that of water? Explain your answer.

Answers

It tells that gasoline is less dense than water, because according to Archimedes Law states that any body completely or partially submerged in a fluid is acted upon by an upward, or buoyant, force, the magnitude of which is equal to the weight of the fluid, displaced by the object. So, when gasoline is put in water, it floats, it means that the buoyancy force is greater than gasoline's weight. It means that the weight of the same volume of water is more than the weight of the same volume of gasoline. It means that water has more density.

It tells that the gasoline has a lower density because it is floating in water else it will sink.

Humans are actually producing more carbon dioxide than natural sources can absorb. That means the atmosphere is not at a steady state. Scientists and engineers are researching ways to remove carbon from the atmosphere faster than the current rate. This process is called carbon sequestration. If humans increase their rate of carbon emissions but also increase the rate of carbon sequestration by the same amount, what effect will that have on the residence time of carbon dioxide in the atmosphere? What effect will it have on the total amount of carbon dioxide in the atmosphere?

Answers

Answer:

no effect on the atmosphere

Nigerian way

Answer:

What effect will that have on the residence time of carbon dioxide in the atmosphere?

Individual Carbon Dioxide molecules will be in the atmosphere for less time as it is rapidly being cleared and produce.

What effect will it have on the total amount of carbon dioxide in the atmosphere?

None, because humans are producing more as they remove it.

Other Questions
Nights and Dragons From the memoir of author Abigail Prynne 1 I sit at my desk listening to thunder growl outside my window. Flashes of light burst through the darkness, and wind races past my window. The thrilling combination of sight and sound conjures up visions of dragons roaring proudly, breathing fire, and soaring across the midnight sky. Dragons first fascinated me when I was a little girl. They have followed me ever since. The magnificent creatures appeared in storybooks I read in the library, paintings I saw in museums, movies I watched in the theater, and the dreams I had in my sleep. By the time I was thirteen, one question consumed me. I wanted to know if dragons ever existed, so I set out on a quest for facts. 2 As I started my research, I discovered many skeptics. Scientists presented evidence to show why dragons could notand did notexist. They explained that it would be impossible for dragons to fly because they would be too big. They laughed at the idea of dragons breathing fire. They pointed out that no other animal has ever done this. They said that if dragons had lived, someone would have found remains somewhere in the world. No bones about it, there were plenty of logical explanations. It would have been easy for me to accept that the only place dragons ever existed was in the imaginations of those who believed. 3 I could have given up, but I thought about my grandmother. She always told me that "people who believe that science is the answer to everything are missing out on everything else." With her words in mind, I searched some more. There were many facts that hinted that dragons may not be fictional. I noticed that cultures across the world all described dragons in similar ways. This was odd because they had no way to communicate with each other. I found dragons mentioned in more than just stories. They appeared in old legal papers, in the travel logs of Marco Polo, and in the Bible. I saw that the Chinese calendar uses a different animal each year. Dragons are included along with eleven real animals. I began to believe it was a real possibility that all of these people were talking about a creature that actually existed. 4 With renewed hope that there was some truth to the legends, I looked for new research. I found that some experts disagreed with popular arguments against dragons. They suggested that a dragon could have four stomachs like a cow. If it created stomach gases like birds, it might create enough to lift itself off the ground. This would give it the ability to fly. If it forced out air when diving toward the earth, it might release gases which could ignite into flame. When the animal died, the stomachs would release strong acids that would dissolve its dead body over time. Biologists backed up these ideas with sketches and models based on known animals. Not everyone agreed with these ideas, but many of the things we accept about dinosaurs and other extinct species started the same way. 5 I doubt we will ever truly know whether dragons existed. There may always be two sides to the fiery debate. Some will say the stories come from active imaginations. Some will believe with all their hearts that the legendary creatures roamed our ancient world. I don't know for certain which side to believe, but the sound and fury of a night like this makes me smile. It rekindles my childhood dreams and keeps the exciting possibility alive. Which sentence from paragraph 4 makes an explicit statement without offering any implicit suggestions? With renewed hope that there was some truth to the legends, I looked for new research. If it created stomach gases like birds, it might create enough to lift itself off the ground. Biologists backed up these ideas with sketches and models based on known animals. I wish I ______ you some money for your rent, but I am broke myself.A.can lendB.could lendC.will lendD.would lend A professor graded the final exams and found that the mean score was 70 points. Which of the following can you conclude?A- All of the above.B- The median score was 70 points.C- 50% of the students scored below 70 points.D- This would be a normal distribution. Martin Seligman and Angela Duckworth share one component in common as part of their list of ingredients for happiness and grit. Which one is it You are the financial manager of the Crossrail 1 project in London. The Board overseeing the project, acting on behalf of the UK Government, has asked you to provide a financial analysis of the project for business planning purposes. With two years to go before the commencement of train operations, you have assembled the most recent estimates of the capital investment cost and net revenues, which were forecast 1 year ago. While the user benefits and ticket revenues are assumed to remain the same each year of the 60-year useful life, it is anticipated that maintenance costs will be higher in the final 30 years of the project. They are shown in Table.Item of cash flow Today Each year (for the first Each year (for years (bn) 30 years) (bn) 31 to 60) (bn)Capital investment -9.4 User benefits (Includes Time savings, Traffic congestion relief) 0.843 0.843Ticket revenues 0.3 0.3Operational costs and maintenance -0.422 -0.609For projects such as Crossrail 1, the UK Government typically estimates a 60-year useful life and uses a discount rate of 3.5%.a) What is the net present value (NPV) of the project? a. "15.04".b. "8.83".c. "7.36".d. "16.76".b) What is the payback period of the project? a. "13.04".b. "8.22".c. "17.60".d. "7.49". c) What is the internal rate of return (IRR) of the project? a. "7.57%".b. "7.35%".c. "5.44%".d. "6.52%".d) Based on your calculations is Crossrail 1 a viable project at the discount rate?a. "Yes".b. "No". You have been asked by the Board to present an analysis that incorporates more recent cash flow information about the Crossrail 1 project. Before the project becomes operational, the capital investment has been given a worse scenario estimate that is 35% above the forecast in table 1. The Board would like to see the analysis if the net cash inflows will also be 35% below expectation over the 60-year life whether under the existing hurdle rate of 3.5% it would remain viable.a) What is the net present value (NPV) of the project? a. "-2.16".b. "4.78".c. "3.20".d. "-1.80". b) What is the internal rate of return (IRR) of the project? a. "2.72%".b. "3.10%".c. "1.79%".d/ "0.67%". c) Based on your calculations is Crossrail 1 a viable project at the discount rate? a. "Yes".b. "No". Solve for x. 7x+38=45 how about going on a camping holiday.speaker..............a sure.what is it?b that sound nice but i prefer sleeping in a hotel One side of a right triangle is known to be 12 cm long and the opposite angle is measured as 30, with a possible error of 1. Use differentials to estimate the error in computing the length of the hypotenuse. (Round your answer to two decimal places.) A fire cracker is fired and it rises to a height of 1000 m. Find the velocity by which it wasreleased and the time taken by it to reach the highest point (take a = 10 m/s). Which of the following statements is true? Bacteria and protozoa are examples of unicellular organisms. Individual cells do not need to maintain homeostasis. Most multicellular organisms reproduce through mitosis. Two identical daughter cells are created from sexual reproduction. You bought a monochrome laser printer two years ago. The printer has gradually stopped feeding paper. Which printer component should you check first The table shows the proportion of US e-commerce revenue for 20162018 for each day of Thanksgiving weekend.The greatest proportion of 2018 e-commerce revenue came on Cyber Monday, contributing one-third of the total 2018 e-commerce revenue. This statement is ___ Of 2016s e-commerce revenue, $25 billion came on Black Friday. This statement is ____ What type of poetry was meant to be passed down from or geroration to another?O LiterarySecondaryPrimaryPlanetary A recent national survey found that high school students watched an average (mean) of 7.1 movies per month with a population standard deviation of 1.0. The distribution of number of movies watched per month follows the normal distribution. A random sample of 33 college students revealed that the mean number of movies watched last month was 6.2. At the 0.05 significance level, can we conclude that college students watch fewer movies a month than high school students? State the null hypothesis and the alternate hypothesis. find the slope and y intercept Which of the following are things we are REQUIRED to do BY LAW?A. RightsB. Civic DutiesC. Civic Responsibilities D. Personal Responsibilities Biggest lake In the world? Evidence without_______increases its reliability.abiasbquestionrepetitiondreplication 5. Eight adults and six children travel in a cable car.Estimate the total mass of the people in the cable car. When the actual cost of direct materials used exceeds the standard cost, the company must have experienced an unfavorable direct materials price variance.a. Trueb. False