Answer:In 1997, College of Oregon scientist Gregory Retallack revealed finding raised iridium levels and stunned quartz precious stones in Permian-Triassic rocks indications of an effect.
Explanation:The end-Permian mass eradication is the biggest of the Phanerozoic. In the quick fallout the marine environment was overwhelmed by microbial and networks with catastrophe taxa. Conceivable kill system incorporates an incredibly quick, unstable arrival of gases like carbon dioxide, methane and hydrogen sulfide. Siberian flood volcanism has been recommended as the most conceivable component to set off the monstrous arrival of ozone depleting substances from volcanic ejections and connection of magmas with carbon from thick natural rich stores or quick venting of coal-determined methane or enormous ignition of coal. A sharp Î'13C isotopic outing, quick vanishing of carbonate benthic networks and Î'18O information from conodont apatite recommend fast an unnatural weather change. The end Permian mass elimination happened in under 200,000 years.
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how are recent changes to the cryosphere and oceans similar to natural changes to the cryosphere and oceans when going from a glacial period to an interglacial period?
The recent changes to the cryosphere and oceans similar to interglacial period in the following way :
Glaciers and ice sheets melt thereby causing an increase in sea levels.
What do you mean by glacial and interglacial periods and what are the changes which can be seen?
Glacial periods referred to that period which consisted of large amounts of ice, while in the interglacial period there was little to no ice. The
The whole period ranged from 1,20,000-11,500 years ago. In the recent period, the sea ice has thinned very much especially in the Arctic sea area and the summer extent has decreased substantially. The cryosphere is constantly melting due to human actions along with some natural consequences as well. It is leading to a very small snow season and disappearance of caps, glaciers and intermontane glaciers.
There is an adverse effect on climate. We are currently living in an interglacial period which is constantly affected by our action
Hence, Glaciers and ice sheets melt thereby causing an increase in sea levels.
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Why are there many different types of soils?
Answer:
The climate or type of plant life....
What factors contribute to soil fertility?
Factors contributing to fertility of soil are mineral contents, soil pH, grass texture and organic substances.
Soil Fertility Determinants
The soil's fertility is impacted by the following factors:
Mineralogical Makeup
The soil's mineral makeup aids in predicting how well it will hold onto plant nutrients. The quality of the soil can be improved by using the right fertilizers and manures.
soil pH
The pH of the soil contributes to keeping the soil's nutrients available. The ideal pH range for soil fertility is in the range of 5.5-7.
Grass Texture
The minerals of various sizes are in charge of preserving the soil's structure. Because it can hold onto more nutrients, clayey soil functions as a nutrient reservoir.
Organic Substance
A source of nitrogen and phosphorus is organic materials. These can be turned into minerals and given to the plants.
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Describe the cyclic patterns of lunar phases and eclipses of the Sun and moon. (MAKE IT A PARAGRAPH LONG) (5+ Sentences)
Our Moon reflects rather than shines. The Moon is illuminated by sunlight in the same way that it is here on Earth during the day. We just don't always notice it.
A new Moon is formed when sunlight strikes the Moon's far side, which we cannot see without the assistance of a spacecraft from Earth. A full Moon occurs when sunlight reflects off the near side.
The rest of the month, we see portions of the Moon's daytime side, or phases.
These eight phases are: new Moon, waxing crescent, first quarter, waxing gibbous, full Moon, waning gibbous, third quarter, and waning crescent, in that order. The cycle occurs once a month (every 29.5 days).
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answer c because it sound right on bro notti
Answer:
stream notti
Explanation:
Answer:
PUNCHIN MY HIPZ
Explanation
one day was dissin the next in the ditches
Making inferences in what ways do erosions affect the lives of humans? Think about:
1. Water, Wind, and glacial action.
The ways that erosions would have to affect the lives of humans is that it would lead to loss of fertile land it would lead to a rise in pollution, it would cause a rise in sediments as well as clogging on waterways. The water lives would experience a decline as well.
What is meant by erosion?Earthen materials are worn away during erosion, a geological process in which they are moved by wind or water. Weathering, a related process that does not involve movement, dissolves or breaks down rock.
A little rock fragment being carried away from a mountainside by the wind as an illustration of erosion. Chemical weathering is the breakdown of rock and soil brought on by chemical processes.
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star-forming clouds appear dark in visible-light photos because the light of stars behind them is absorbed by dark matter thick hydrogen gas protostars interstellar dust
Star-forming clouds appear dark in visible-light photos because the light of stars behind them is absorbed by interstellar dust.
Interstellar dust is composed of various elemental compounds such as oxygen, carbon, iron, silicon, and magnesium. It is caused by the death of stars, which produce metals during their lifetimes before exploding or blowing off their outer layers. Typical interstellar dust grains are much smaller than the dust we are familiar with on Earth, resembling more closely candle flame soot. Because they are roughly the same size as the wavelength of blue light, they absorb and scatter UV and blue light far more efficiently than red light.
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Differentiate between south-west trade winds and north-east trade winds
explain the difference between temperatures and physical characterisitics of mafic and felsic lava flows
Mafic lava flow:
Extremely hot temperature (> 950°C)Lower viscosity (flows easily).Felsic lava flow:
Temperatures are around 650°C to 750°C.Higher viscosity (looks thick and gooey).Lava flows are the stream of molten rock that pours out of an erupting vent. Mafic and felsic lava flows are two of the four types of lava based on the silica content.
Felsic lava has high silica content (greater than 63%) which results in more viscous lava. It tends to erupt explosively because of that.Intermediate or andesitic lava has around 52% to 63% silica content. It's less viscous than felsic lava, but has a hotter temperature.Mafic or basaltic lava has lower silica content, around 45% to 52%. It's much less viscous, and can flow for long distances from the vent before it solidifies.Ultramafic lava has silica content lower than 45%.Learn more about lava flows https://brainly.com/question/8808433
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the areas surrounding a 3-d chart that give dimension and boundaries to the chart are referred to as the:
Answer: walls and floor
Explanation:
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how does water pollution/water quality affect humans?!!bring up 4 points on how it does tyy
Answer:
Water is an essential resource for all life on Earth. If a water source becomes contaminated due to pollution, it can lead to health issues in humans, such as cancer or cardiovascular conditions.
There is debate on the expansion of laws that protect forests and other ecosystems from
economic development. If you lived in Canada, where would you stand on the issue and give
reasons for your position.
If I was living in Canada the opinion that I would have on the law would be that the environment should not be depleted further for economic gains due to the severity of environmental issues that are faced in the world. I would support the law.
What are environmental laws?Aspects of the law that safeguard the environment are collectively referred to as environmental law. The management of certain natural resources, such as forests, minerals, or fisheries, is the focus of a related but separate set of regulatory regimes that are now heavily impacted by environmental legal principles.
Even though some topics, like environmental impact assessment, may not cleanly fit into either category, they are nonetheless significant aspects of environmental law.
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Which of the factors affecting climate has the greatest impact on the climate in your region?
The climate where you live.
State three importances of the ozone layer
Answer:
-doesn't the allow U.V rays to fall on our earth?
-maintains the temperature level of the earth.
-defends the crops.
Explanation:
when occurring in the atlantic ocean they are known as hurricanes. what are they known as when occurring in the western pacific? group of answer choices tropical breezes typhoons cyclones tsunamis
When occurring in the western pacific they are known as typhoons.
What is the difference between a typhoon and a hurricane?Between typhoons and hurricanes there is a difference, the difference between the two occurs in different ocean basins.The disturbance must exhibit circular circulation and wind speeds of at least 119 km per hour or 74 mph in order to be classified as a hurricane.Hurricanes known as cyclones in the Indian Ocean, including the Bay of Bengal and Arabian Sea.The approximate diameter of a mature hurricane is about about 600 km.When fully grown, hurricanes can release a tremendous amount of energy. One cyclone can produce thermal energy equivalent to a 10 megaton nuclear bomb bursting every 20 minutes. Additionally, they are substantially larger than other powerful storms like tornadoes. However, they also form a vital part of the vast and intricate natural system that enables us to thrive on our planet.Learn more about hurricane here: brainly.com/question/14836473
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(a) pressure increases with height in the stratosphere on the four giant planets. (b) temperature decreases with height in the troposphere on the four giant planets. (c) pressure decreases with height in the troposphere on the four giant planets. (d) temperature increases with height in the stratosphere on the four giant planets.
The statement (c)pressure decreases with height in the troposphere on the four giant planets is false .
How does the pressure change in the troposphere?
For every thousand feet of height above sea level, the atmospheric pressure in the troposphere decreases by around one inch of mercury.
As you go to greater altitudes, the density (and pressure) of the air steadily decreases because the earth's gravity keeps our atmosphere near to the surface. Atmospheric pressure is around 30 inches of mercury at sea level and drops by about an inch for every thousand feet of elevation above sea level, or about 26 inches of mercury at an altitude of 4000 feet.
The impacts of weather are most noticeable in the troposphere, where temperature and the presence of high- and low-pressure weather systems affect real pressure.
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the high temperature of earth's interior is mainly due to group of answer choices radioactive processes. great internal pressure. the earth's natural heat. friction, as plates move past one another.
The high temperature of the earth's interior is mainly due to radioactive processes.
Radioactive processes can be described as the processes in which the atoms that have an unstable nucleus split in an effort to form stable nuclei.
The radioactive process is highly exothermic which means that a large amount of thermal energy or heat is released as a result of a radioactive reaction.
This thermal energy trapped in the interior of the Earth due to the radioactive process is one of the leading causes of high temperatures of the Earth.
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groundwater in constricted fractures is heated past its surface boiling temperature by surrounding hot rocks. the superhot liquid expands in volume, reducing its confining pressure, and flashing it into steam. which geologic feature matches this description?
Geysers are a type of hot spring that periodically erupts water and steam. The word geyser comes from the Icelandic word "geysa" which means "to gush". Geysers are formed when groundwater is heated past its surface boiling temperature by surrounding hot rocks.
The super-hot liquid expands in volume, reducing its confining pressure, and flashing it into steam. The steam then rises and escapes through the opening at the surface, causing the characteristic eruption.
Geysers are found only in certain areas where the water table is heated by a hot magma chamber below the earth’s surface. The most famous geysers are found in Yellowstone National Park in the United States.
Old Faithful is perhaps the most famous geyser in Yellowstone. It is not the biggest or the most regular geyser in the park, but it is the most predictable, erupting every 35 to 120 minutes, shooting a column of water up to 80 feet (24 meters) in the air.
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Where in the region would the Great Lakes be found?
A large chunk of the Canadian Ontario province and eight states that bordering the Great Lakes inside the United States—New York, Pennsylvania, Illinois, Wisconsin, and Minnesota—are comprised of the Great Lakes area .
There really are 60 million living in that area. Among the major cities all along Great Lakes are Buffalo, Milwaukee, Cleveland, Chicago, Detroit,and Toronto, which together contribute to the region's $2 trillion economy, the largest outside of Japan and the United States.
These immense inland freshwater oceans, which stretch and over 750 miles (1,200 km) from( west to east ), have given water for drinking, transportation, power, recreation, and other uses.
The Great Lakes is indeed the planet's biggest freshwater surface water system, with about 18% of the planet's freshwater.
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Mention the major issues that compose the scope of Geography?
Major issues of geography's cross-disciplinary relationships include:
Geography is a broad field of study since it includes history, science, environmental studies, and demographic studies. It also includes research on ethnicity, culture, the earthly features of the globe, and the economies of various regions.
Geography investigates the demographics, lands, and population of a region as well as the physical characteristics of that region. This field of research takes an all-encompassing interdisciplinary approach because its main goal is to create a flexible interaction between the people and the places they inhabit, among other things.
A problem must meet the following criteria to be considered a geographical issue: It must be the focus of extensive community discussion and debate (for example, in the media); It must be viewed over time and at a range of scales, from local to global. Have a dimension of space.
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Imagine that you’re a student who lives in Miami, Florida, and your family has decided that it’s time to move to a new home. Which of the following situations would be an example of an external migration?
A. moving to Tampa Bay, Florida
B. moving a few streets away
C. moving to Atlanta, Georgia
D. moving to Mexico
Please select the best answer from the choices provided
Imagine that you’re a student who lives in Miami, Florida, and your family has decided that it’s time to move to a new home. an example of external migration is moving to Mexico. Option D
What is external migration?Generally, Migration to a foreign state, nation, or continent is an example of external migration.
Emigration is the process of moving from one nation to another. The process of relocating to a new nation is known as immigration. Return migration is the process of going back to the place from where one originated.
In conclusion, Imagine that you are a student who currently resides in Miami, Florida, and that your family has come to the conclusion that it is time for all of you to relocate to a different residence. Moving to Mexico is an example of migration to a different country. The D Option
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Answer: D) moving to Mexico
Explanation:
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g mckibben extols the virtues of interplanetary colonization: now that we know the earth cannot support human life for much longer, we can always count on moving the species to another planet. true false
The statement made by Bill McKibben is false. There is no evidence to suggest that the Earth cannot support human life for much longer. In fact, there is evidence to suggest that the Earth can support human life for many more years.
The main reason why the Earth cannot support human life for much longer is because of the increasing population. As the population increases, the amount of resources decreases. This eventually leads to a situation where the Earth cannot support the population. However, this is not a situation that we are currently in. There is no evidence to suggest that the Earth cannot support human life for much longer.
Extinction is inevitable and there is no other planet that can support human life.The sun will eventually expand and consume the earth, making it uninhabitable. Even if humans could find another planet to live on, they would eventually exhaust its resources and it would become uninhabitable. The universe is infinite, but the resources on any one planet are limited. Sooner or later, the resources on Earth will be depleted and the human race will perish.
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lava flows on the moon and mercury created large smooth plains. we don't see similar features on earth because:
We don't see similar features on earth because of tectonic plate movement, wind, rain and water.
How does tectonic plates affect flow of lava on earth ?
Some of the oceanic plate melts as it sinks deeper into the mantle. The mantle above the plate melts as a result of this material moving into it. Due to its lower density compared to the surrounding rock, this liquid rock known as magma rises to the surface. A volcano develops if the magma touches the Earth's surface.
At a divergent plate boundary, plates rip apart, resulting in volcanic activity and shallow earthquakes; and. One plate "subducts" beneath the other at a convergent plate boundary, causing a line of volcanoes on the overriding plate and a variety of earthquakes.
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What are four types of plate movements?
Answer:
The flow of the mantle causes tectonic plates to move in different directions. When the edges of plates meet, four things can happen:
slip. play. two plates slide. past each other.
collision. play. two plates crash. and fold up.
spreading. play. two plates move apart. from each other.
subduction. play. one plate sinks. below the other.
Explanation:
the surface water temperatures near land tend to be more extreme than those of the open ocean at the same latitude. this is because . (select all that apply.)
There are a few reasons for this. Firstly, land masses absorb and retain heat more effectively than water. This is due to the fact that water has a higher specific heat capacity than land, meaning that it takes longer for water to heat up or cool down.
Additionally, the ocean is constantly mixing and circulating, which helps to moderate temperatures. Land, on the other hand, is more static, so extreme temperatures are more likely to be felt. Finally, the wind blowing over the ocean can also help to moderate temperatures, whereas on land there is often less wind to dissipate heat.
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what would be helpful to seismologists for determining the historical interval between tsunami events at a location?
The correct option is Principle of cross-cutting relationships. This would be helpful to seismologists for determining the historical interval between tsunami events at a location.
A tsunami is a sequence of exceptionally long waves brought on by a significant and abrupt oceanic movement, typically the result of an earthquake at or near the ocean's surface. As a result of, waves are produced and travel in all the directions away from their origin, occasionally spanning entire ocean basins. Large tsunamis can last for days in some places, usually peaking within the first few hours after arrival and then gradually subsiding after that. The interval between a tsunami's crests (also known as the tsunami period) is between five and two hours. The duration of hazardous tsunami currents can be days.
What would be helpful to seismologists for determining the historical interval between tsunami events at a location?
Uranium-238 radiometric dating
Carbon-14 radiometric dating
Seismometers O
Principle of cross-cutting relationships
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Answer:The right choice is Standard of cross-cutting connections. This would be useful to seismologists for deciding the verifiable stretch between wave occasions at an area.
Explanation:
A torrent is a succession of uncommonly lengthy waves welcomed on by a huge and unexpected maritime development, commonly the consequence of a quake at or close to the sea's surface. Because of, waves are created and travel in every one of the headings from their starting point, sometimes crossing whole sea bowls. Huge tidal waves can keep going for a really long time in certain spots, as a rule cresting inside the initial not many hours after appearance and afterward slowly dying down after that. The span between a tidal wave's peaks (otherwise called the torrent period) is somewhere in the range of five and two hours. The span of dangerous torrent flows can be days.
Uranium-238 radiometric dating
Carbon-14 radiometric dating
Seismometers O
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what impacts will sea level rise have on the population density and native vegetation and wildlife at this location?
The main physical effects of a rise in sea level are beach erosion, water body erosion, inundation of deltas, flooding, and the loss of many marshes and wetlands.
In coastal aquifers and estuarine systems, increased salinity will probably become a concern as a result of saltwater intrusion.
Numerous variables can alter sea levels, which are known to have changed significantly throughout geological time spans. The primary driver of the current rise in sea level is human-caused climate change. Mountain glaciers and polar ice caps melt as a result of rising temperatures, adding more water to water bodies. In general, the phrase "above sea level" refers to heights above mean sea level (AMSL).
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Answer:
The vitally actual impacts of an ascent in ocean level are ocean side disintegration, water body disintegration, immersion of deltas, flooding, and the deficiency of numerous bogs and wetlands.
Explanation:
In waterfront springs and estuarine frameworks, expanded saltiness will likely turn into a worry because of saltwater interruption.
Various factors can modify ocean levels, which are known to have changed essentially over the course of land stretches of time. The essential driver of the flow ascend in ocean level is human-caused environmental change Mountain ice sheets and polar ice covers soften because of climbing temperatures, adding more water to water bodies disintegration,. As a rule, the expression "above ocean level" alludes to levels above mean ocean level (AMSL)
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gerry dickens, an energy engineer and petroleum geologist, determined that the source of this element came from . group of answer choices biological processes in swamps and bogs chemosynthesis along mid-ocean ridges the expulsion of methane by methane gas hydrates the melting of limestone bedrock by an impact event
Using the theories of petroleum, we got that petroleum came from the expulsion of methane by methane gas hydrates the melting of limestone bedrock by an impact event according to gerry dickens, an energy engineer and petroleum geologist.
Millions of years ago, the algae and plants lived in shallow seas. After dying and sinking to the seafloor, the organic material actually mixed with other sediments and was buried. Over millions of years under the high pressure and high temperature, the remains of the organisms transformed into what we know today as fossil fuels. Coal, natural gas, and the petroleum are all fossil fuels that formed under similar conditions.
Hence, gerry dickens, an energy engineer and petroleum geologist, determined that the source of this element came from the expulsion of methane by methane gas hydrates the melting of limestone bedrock by an impact event.
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what has accelerated the ordinarily slow flux of carbon from sedimentary rocks to the atmosphere?
The reason for slow flux of carbon from sedimentary rocks to atmosphere can be changes in ocean temperatures and currents.
What causes carbon flux ?
It is created by the burning of carbon and carbon-containing materials (including biomass and fossil fuels), animal and plant respiration, the progressive oxidation of organic matter in the soil, and chemical reactions with certain geological components.
Carbon exchange between the seas, atmosphere, land, and living organisms is known as a carbon flux, and it is commonly measured in gigatonnes of carbon per year (GtC/yr).
A gigatonne is a huge quantity of mass, equivalent to nearly 200 million elephants or roughly double the mass of all people on Earth combined!
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a desert is a region that is so arid that it contains no permanent streams, except for those that bring water in from temperate regions elsewhere. deserts - cairo, egypt. the problem 1 placemark flies you to the pyramids of giza on the southwestern outskirts of cairo, egypt. these structures are located on the eastern edge of the largest desert in the world (the desert covers most of northern africa). what is the name of this desert?
The Sahara desert is the largest desert in the world.
What is the geographic location of Sahara desert?
Sahara, the world's biggest desert (from the Arabic word sahr, "desert") It occupies almost all of northern Africa, stretches 3,320,000 square miles (8,600,000 square kilometers) in overall size (the actual extent changes as the desert grows and shrinks over time), and is around 3,000 miles (4,800 km) long (east to west) and 800 to 1,200 miles (north to south).
The Sahara is bounded by the Atlantic Ocean on the west, the Atlas Mountains and Mediterranean Sea on the north, the Red Sea on the east, and the Sahel on the south. The Sahel is a semiarid area that serves as a transitional zone between both the Sahara to the north and the belt of tropical savannas to the south.
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