explain the difference between temperatures and physical characterisitics of mafic and felsic lava flows

Answers

Answer 1

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%.

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Related Questions

is this statement true or false? the hydrosphere includes all liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapor.

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This statement is TRUE.

The hydrosphere does consist of all liquid and frozen surface waters, groundwater contained in soil and rock, and air water vapor.

ABOUT THE HYDROSPHERE

The hydrosphere consists of surface water, subsurface water, and atmospheric water. The hydrosphere of a planet can consist of liquid, vapor, or ice. On Earth's surface, liquid water exists in the form of seas, lakes, and rivers. Additionally, it exists as groundwater in wells and aquifers.

The hydrosphere consists of oceans, freshwater, surface water, groundwater, glacial water, and water vapor in the atmosphere. Certain Hydrosphere facts are there are approximately 332.5 million cubic miles or 1,386 million cubic kilometers of water on Earth (km3). The Earth is considered a water planet due to the dependence of life on the hydrosphere's water. Permanent snow contains roughly 68.7 percent of all freshwater.

FURTHER INFORMATION

Once the planet's surface had sufficiently chilled, water held in the minerals of the accreted material and released at depth could escape to the surface, cool, and condense to form the original hydrosphere.

Nobody discovered the hydrosphere, as humans have always been enveloped by water. Still, Austrian geologist Edward Suess developed the term (along with numerous other spheres) in 1875 as he attempted to apply a systems approach to the various sciences of Earth's natural environment.

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Why do most of Canada’s energy exports go to the United States?

Answers

Answer:

Because of limited pipeline capacity and export infrastructure, Canada sells 99% of its oil into a saturated North American market at low prices.

Explanation:

Canada can meet the demand

US energy demand is increasing. And it’s expected to stay high for decades to come. Canada is one of the world’s largest producers of oil and gas, and can provide the supply America doesn’t produce for itself. Canada is a responsible producer

Canada ranks number one among the world’s largest oil reserve holders on Environmental, Social, and Governance (ESG) performance.

The agricultural economy of Brazil plays a part on the nations rural poverty because

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The agricultural economy of Brazil plays a part on the nations rural poverty because Of land ownership.

Since the beginning of the twenty-first century, Brazil has undergone an amazing transformation, going from being a major exporter of tropical agricultural products (like coffee, sugar, and cacao in the 1960s and 1970s).Brazil exported $125 billion worth of agricultural products in 2021, with soybeans and soybean meal, sugar, livestock, poultry, corn, cotton, pork, coffee, and citrus taking the top five spots. The economy of Brazil is a global leader in mining, agriculture, manufacturing, and it also has a robust and expanding service industry.

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- 7. Which one of the following is the most common and accurate way of showing relif on modern map

A isotherms
B dots
C contour line
D isobar​

Answers

Answer:

C.

Explanation:

Contour Lines

Answer = C
When talking about the relief of the land it means the different heights on the lands surface. Contour lines in maps are used to show the relief of the land, usually orange or brown in colour with a number indicating the height in meters above the sea level.

How do Oceans affect the climate

100 POINTS!!!!!!!!!!

Answers

The way that Oceans affect the climate is that its currents control the climate globally, helping to balance out the uneven distribution of solar radiation that reaches the surface of the Earth.

How do oceans impact the climate?

By moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, ocean currents function much like a conveyer belt.

Therefore, Every human life is impacted by the water. It provides freshwater and oxygen, balances the climate, shapes our weather, and has an impact on people's health. Oceans provide food and transportation for people.

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while drilling the exploratory holes, the coal company came in contact with groundwater 20 feet below the surface. how might this affect mining operations?

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Using the theories of mining, we got that pumps would need to be put in to constantly remove groundwater that infiltrates the mining sites if coal company came in contact with groundwater 20 feet below the surface.

Mining is  process of extracting useful materials from the earth. Some examples of the substances that are mined include coal, gold, or iron ore. Iron ore is  material from which the metal iron is produced.

The process of mining dates back to the prehistoric times. Prehistoric people first mined flint, which was ideal for the tools and weapons since it breaks into shards with sharp edges. The mining of the gold and copper also dates back to prehistoric times.

Hence, while drilling the exploratory holes, the coal company came in contact with groundwater 20 feet below the surface in that case if company wants to remove water -pumps would need to be put in to constantly remove groundwater that infiltrates the mining site.

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which factors may directly influence the strength of wave action (and therefore the strength of erosion and transportation/deposition of sediment) striking a coast?

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The factors that may directly influence the strength of wave action striking a coast are:

Coastline orientationStorm size and intensityThe slope of the adjacent seafloor

Coastal erosion is the term for the erosion process that happens on the coastline, where sea level rises and coastal flooding carries away rocks, sand, and soil from the coast. Wave is one of the main processes causing both erosion and deposition at the beach. It transports sand off of, onto, and along the beaches. Waves also carve natural structures along the shore. Wave generally forms when the wind blows strongly and steadily over a long distance.

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Is this statement true or false? venezuela has the largest proven oil reserves in the western hemisphere.

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Venezuela is the Western Hemisphere's largest oil exporter and has long been a major player in the global oil market. It has the world's largest oil endowment, with approximately 298 billion barrels of proven oil reserves.

The majority of the estimated 500 billion barrels of potential reserves, however, are in the form of extra-heavy oil and bitumen deposits in the Orinoco belt in the country's central region, which have not been extensively exploited.

The Bolivar Coastal field is the country's most important producing field. This complex of large and small reservoirs was discovered in 1917 in the western Maracaibo basin. These mature fields have produced more than 70% of the estimated recoverable reserves, but their output is declining.

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This statement is TRUE.

overall, this type of seismic wave is the most destructive. group of answer choices p wave s wave tsunami surface wave

Answers

Surface waves, overall, this type of seismic wave is the most destructive. They are typically produced when the earthquake's source is close to the Earth's surface.

Although surface waves travel at a slower rate than S-waves, their amplitude can be much greater, making them the most destructive type of seismic wave. P waves are the first seismic waves to arrive in a given area. Because p waves have a much lower amplitude and frequency than S waves or surface waves, they cause far less damage. Because surface waves are not as deep as body waves, they cause more damage.

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we can generally expect the air to be ___ above areas of surface low pressure and ___ above areas of surface high pressure.

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we can generally expect the air to be rising above areas of surface low pressure and sinking above areas of surface high pressure.

Multiple gases are mixed together. Approximately 78 percent nitrogen and 21 percent oxygen make up the air in the Earth's atmosphere. Other gases including hydrogen, neon, and carbon dioxide are also present in very minute concentrations in air. Even while the majority of the air is gas, it also contains a large number of small particles. Aerosols are the term for these airborne specks. The wind naturally carries some aerosols, such as dust and pollen. However, airborne contaminants like soot, smoke, and other toxins from power plants and automobile exhaust are also a possibility. Plants may find it challenging when the air contains too many particles.

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how is the Interoceanic Highway changing brazil and peru?
A. decreasing mining
B. decreasing trade
C. increasing tourism
D. increasing animal habitat

Answers

The Interoceanic Highway changed brazil and peru by C. increasing tourism.

What is the benefit of the Interoceanic Highway?

The benefit of the Interoceanic Highway is that it serves as the way that trading between the two region are following, it should be noted that it serves as the  trade route which brought about the reduction of the  dependence on planes for those that are importing goods to Puerto Esperanza .

In conclusion, the highj way also influence theregion of the Brazil as well as the peru because it serves as the means of generating mopney with the tourism.

Therefore, option C is correct.

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1. What resources are located on the Great Lakes?

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The Great Lakes are a system of five large freshwater lakes in North America. The lakes are (from west to east) Superior, Huron, Michigan, Erie, and Ontario. They are located in the Great Lakes Basin, which drains an area of about 24,000 square miles (62,100 km2) in parts of the U.S. states of Minnesota, Wisconsin, Illinois, Indiana, Michigan, Ohio, and the Canadian province of Ontario. The Great Lakes form the largest group of freshwater lakes on Earth by total area, and second-largest by total volume, containing 21% of the world's surface fresh water by volume. The Great Lakes Basin is home to 33 million people, two-thirds of the population of the U.S. states of Minnesota, Wisconsin, Illinois, Indiana, Michigan, and Ohio, and one-quarter of the population of Ontario, Canada.

The Great Lakes are the largest system of freshwater lakes in the world. They are a critical part of the North American continent, and are essential to the continent's economy and ecology. The Great Lakes are home to a vast array of plant and animal life, and support a variety of human activities.

The Great Lakes are a major source of fresh water for the continent. They are also a critical transportation hub, connecting the East and West coasts of the continent. The Great Lakes are also a major tourist destination, attracting visitors from around the world.

advanced in air travel have contributed to globalisation by

Answers

Answer:

Globalization provides huge potential profits to companies and nations. Air travel is a large and growing industry. Economic growth, world trade, international investment and tourism is been facilitated by Airline Industry.

how did advances in comunication for space exploration have led to changes in communaction devices on earth

Answers

The advances in communication for space exploration have led to transformations in communication devices on earth as space-based technologies, namely communications satellites, enable global telecommunications systems by forwarding signals with voice, video, and data to and from one or many places.

While Earth-based options for space technologies are sometimes feasible, space-based technology can usually lessen infrastructure necessities and offer more cost-effective assistance delivery alternatives.

Earth is now encircled by an extensive network of satellites, which provide continuous broadband communications and high-definition television, data utilized for weather reporting, navigation, positioning, and more.

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Read the section titled "Candomble and Catholicism. " How did Africans continue to practice their native religions in Brazil after arriving as slaves? (Site 1)

Answers

The Catholic Church and slave owners felt it was necessary to convert Africans to Christianity when they were brought to Brazil. The slaves would become more submissive, they reasoned. The Africans have come up with a variety of methods to maintain their religious practices.

- A lot of Africans were openly practicing Christianity while secretly               praying to their own deities.

- They hid their sacred deity emblems inside of Catholic saint statues.

- They misrepresented Catholic gatherings as Candomble worship groups.

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viscosity is function of temperature and composition, so which magma would have the highest viscosity (least likely to flow)?

Answers

The magma with the highest viscosity would be the one that is the most felsic, or the one with the highest silica content. This is because silica is a major component of magma, and the more silica there is in a magma, the higher its viscosity will be.

A magma's viscosity determines how easily it flows. The higher the viscosity, the more difficult it is for the magma to flow. The magma with the highest viscosity would be the one that is the most felsic, or the one with the highest silica content. This is because silica is a major component of magma, and the more silica there is in a magma, the higher its viscosity will be.

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How is the climate shaped by planetary winds and moisture belts?

Answers

Our planet's rotation is to blame for this. 0 Weather systems that are in motion are caused by planetary wind belts (air masses and hurricanes). This explains why the west is where the majority of our weather originates. The polar front jet stream and the subtropical jet stream are seen in this graph. As we now know, the Coriolis Effect creates three main worldwide wind belts from three different types of prevailing winds on Earth. They are given names based on where they come from and where they blow.

Throughout the year, planetary or permanent winds blow from high-pressure bands to low-pressure belts in the same direction. They sweep across a huge region of continents and oceans. They are polar easterlies, westerlies, and easterly winds.

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Jade throws a horseshoe toward a stake from the same starting point three different times. she tries to throw the horseshoe with the same amount of force each time. jade measures the distance each horseshoe lands from the stake. which distances did jade likely measure?science homework help

Answers

Since Jade tried to throw the horseshoe with the same amount of force, the likely distances that Jade measured would be 11 in., 12 in., and 13 in. The last option.

Force and distance

The distance that the horseshoe thrown by Jade travels is a measure of the amount of force that she applies. The more the force, the longer the distance.

However, Jade tried to ensure that the same amount of force is used the 3 times she threw the horseshoe. The consequence is that the distance of the horseshoe from the stake will not vary much in all the 3 throws.

If the distances vary significantly, it means the amount of force used by Jade also differs significantly.

Thus, the only distances that could be a reflection of the relatively constant force used by Jade to throw the horseshoe are 11 in., 12 in., 13 in.

and

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How does weathering vary according to climate?

Answers

Answer:

Explanation:

The amount of rainfall and the temperature can influence how quickly rocks weather.

The pace of chemical weathering is accelerated by high temperatures and heavier rainfall.

Compared to comparable rocks living in cold, dry climates, rocks in tropical regions exposed to heavy rainfall and high temperatures weather far more quickly.

Thermal stress, a phenomenon caused by temperature variations, can also contribute to mechanical weathering.

The expansion and contraction of rock is influenced by temperature changes (with cold).

The rock's structure deteriorates as this occurs repeatedly.

It erodes with time.

the accompanying map shows calculated values for the normalized difference vegetation index (ndvi). what do the gray areas signify?

Answers

The Normalized Difference Vegetation Index is the most often used measurement (NDVI). Rock, sand, or snow-covered deserts correlate to very low NDVI values (0.1 and lower).

Although we sometimes take the plants and trees around us for granted, they are essential to practically every part of our lives. They offer us food and clothing, remove carbon dioxide from the air, give us oxygen, and give us supplies for homes and medicines. Our health, the economy, and the environment are all impacted when the vegetation around us undergoes significant changes. For instance, during a prolonged drought in the Sahel region of Africa twenty-five years ago, thousands of people perished from starvation. In the past fifty years, deforestation in South America has left thousands of acres fallow and wiped off several species, including those that would have produced useful medicines.  

 

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I don't want to millions mister by jim garland imagery

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I don’t understand the question????????

well the design of azalea is considered a vision of the future why doesn’t the design work

Answers

Azaleas provide home gardeners with wonderful spring colour that extends from April to July (depending on the species). Evergreen azaleas provide year-round interest while deciduous azaleas often offer multi-seasonal appeal and lovely fall foliage.

All types and all parts of azalea bushes are thought to be poisonous. They have toxins called grayanotoxane. Ingesting these toxins can include symptoms which may vary between humans and animals.

Person who consumes these feel burning sensation in the mouth thus they are not edible but are good for decorative purpose.

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Which mountain chain forms a nearly impossible border between south and east Asia

Answers

The Himalayas

Explanation:

The Himalayas cover more than 612,000 square kilometers (236,000 square miles), passing through the northern states of India and making up most of the terrain of Nepal and Bhutan. The Himalayas are so vast that they are composed of three different mountain belts. The northernmost belt, known as the Great Himalayas, has the highest average elevation at 6,096 meters (20,000 feet). The belt contains nine of the highest peaks in the world, which all reach more than 7,925 meters (26,000 feet) tall. This belt includes the highest mountain summit in the world, Mount Everest, which stands at 8,849 meters (29,032 feet).

What is ozone layer depletion​

Answers

Answer:

Hope this works!

Explanation:

When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules. The ozone layer is basically a concentration of ozone that is found in the stratosphere. ;)

Ozone layer depletion refers to the weakening of the upper atmosphere's ozone layer. That is detrimental to the environment and atmosphere. One of the biggest issues facing the atmosphere, as well as all living things on our planet, including the flora and wildlife, is the destruction of the ozone layer.

The biggest factor contributing to the ozone layer's destruction is human activity. It happens as a result of the overuse of the synthetic chemicals bromine and chlorine, which are released from synthetic molecules like:

1. Chlorofluorocarbons (CFCs)

2. Halon

3. CH3CCl3 (Methyl chloroform)

4. CCl4 (Carbon tetrachloride)

5. H CFCs (hydro-chlorofluorocarbons)

6. Methyl bromide

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The seasons occur as a result of ...​

Answers

Answer:

The seasons occur due to the earth's spin axis since the Earth is tilted with respect to its orbital plane.

Explanation:

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let us assume that a supper earth is discovered in the other solar system. the supper earth has a steady rotation period and time-varying clouds. in addition, mountains and oceans are discovered on the surface of the supper earth. finally, the supper earth has a strong magnetic field with an unknown period. which one is the best reference for the wind measurements on the supper earth? (a) icebergs in oceans (b) mountains (c) magnetic field (d) clouds

Answers

Part of the star's brilliance is blocked when a planet passes in front of it. As a result, when a planet passes in front of a star, the star's brightness will be reduced as seen by telescopes or spacecraft on Earth.

Eight planets, a star, and countless other smaller objects like comets, asteroids, and dwarf planets make up our solar system. Even though it has been seen in the sky since prehistoric times, much wasn't learned about it until Galileo arrived with his dependable telescope. In fact, he made one of his most significant findings as a result of what he observed around the planet.

The rings must still resemble one another mostly as they did when Saturn first formed. When a transit occurs A planet travels across the path of a star. Only Mercury and Venus may be seen transiting the sun from the Earth's vantage point. Both are quite uncommon occurrences. Only roughly 13 Mercury transits occur each century, and the following Venus transit won't take place until 2117! A planet transits when it moves in front of an observer and a star. When Venus or Mercury pass in front of Earth and the Sun, transits within our solar system can be seen from the planet.

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in what sort of landscape are rapid mass movement processes most likely to occur? describe how these geological hazards might become geological risks.

Answers

The mass movement happens on relatively steep slopes these can result in erosion of newly formed mountains , earthquakes, floods etc.

How does mass movement become natural hazards ?

Massive failures of slope masses, such as rock, debris, soils, and snow/ice, are referred to as mass motions. Sometimes, additional catastrophes like earthquakes, floods, thunderstorms, torrential rainstorms, etc. are linked to these mass movements.

Mass movements are also linked to risks created by humans, such as those caused by the installation of roads, buildings, structures, infrastructure facilities, etc. Due to the instability of the hillslope system, materials can flow across it through a number of different processes. Numerous factors influence mass movements, and the reasons behind them vary by place. The slope gradient, temperature, rock type, rock structure, physical environment, and geological and geomorphological characteristics all have an impact on mass movements.

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Please help due tonight. Need help with both

Answers

Answer:

Apartheid Movement

Mahatma Gandhi

Answer: d and b

Explanation: I am pretty sure the first one is d and the last one is b

Where in the regions would the Canadian Shield be found?

Answers

Answer: the Canadian Shield extends from Labrador in the east to include nearly all of Québec, much of Ontario and Manitoba, the northern portion of Saskatchewan, the northeast corner of Alberta, much of the Northwest Territories and Nunavut and slightly into the northern USA.

Explanation:

Map elements can help us to read a map and to discover the important information that it has to offer. Describe how to use a map's scale. What does a scale help us to find? Explain your response in at least two to three sentences.

help me out guys

Answers

A map's scale helps determine distances. It helps us determine accurate distances and approximate estimates. The map's scale displays how far a specific distance is. We may determine the distance between two points by superimposing that distance on a map.

What does a scale help us to find?

Generally, The scale of a map is an extremely helpful tool for determining the distance between any two places on the map.

Sometimes, it may assist us in finding an exact distance, and other times, it can assist us in developing an approximation of the distance. The distance that a particular distance represents on the map is indicated by the scale, which is typically located in one of the four corners of the map.

In conclusion, If we take that distance and superimpose it on top of the map, we will be able to determine the distance between any two locations that we are interested in.

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