A high-pressure, fast-moving (>300 km/hr) mixture of pyroclastic debris including fragments and gas typically ejected vertically from a volcanic vent is called: a plinian column. ... Plate tectonics theory explains why volcanic activity occurs where it does.
A high-pressure, fast-moving mixture of pyroclastic debris including fragments and gas typically ejected skyward from a volcanic vent is called a Plinian column.
What is a volcanic vent?Magma as well as toxic eruptions emerge from openings in the Earth's crust it onto surface or into the sky. Vents might be a single, round feature, a significant, long-fissured fracture, or a little earth crack.
A plinian columns is an increased, swiftly moving (>300 km/hr), composite of volcanic lava debris incorporating pieces and gas that is often discharged upward from a volcanic vent.
The idea of plate tectonics describes why volcanic eruptions take place where it does. When some magma reaches the surface violently, an increased mixing of hot, shattered solids mixed increasing gases is thrown into the air. This mixture is known as a blast wave.
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The geographer's concern with Earth's interior is restricted primarily to its influence on ________.
Answer:
Earth surface features.
how can you appreciate the contributions of ancient civilizations in the world?
Answer:
These contributions allowed humans to develop and function better in their daily lives; thus societies managed to make big leaps in their economic and political development, as well as cultural production and their religion, whilst simultaneously leaving a legacy in evolutionary history for future generations.
describe the main processes of water cycle
Answer:
water evaporates from the water bodies and forms clouds..then the clouds condense and finally precipitate in the form of rain,hail storms,snow etc..
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Answer:
There are five processes at work in the hydrologic cycle: condensation, precipitation, infiltration, runoff, and evapotranspiration
Explanation:
The water cycle depicts the continual flow of water on Earth and in the atmosphere. It's a complex system with many separate processes. Liquid water evaporates into water vapour, condenses into clouds, and precipitates as rain and snow on the ground.
Evaporation, condensation, and precipitation are the three fundamental processes that make up the water cycle. Evaporation is the transformation of a liquid's surface to a gas.
Liquid water (from the ocean, lakes, or rivers) evaporates and turns into water vapour in the water cycle. Water vapour is a significant greenhouse gas as well. Evaporation, condensation, and precipitation are commonly taught as a simple circular cycle.
Evaporation, condensation, precipitation, interception, infiltration, percolation, transpiration, runoff, and storage are all processes that may be examined. When the physical condition of water changes from a liquid to a gaseous state, evaporation happens.
The water cycle is the course that all water takes as it passes through different phases across the Earth. Oceans, rivers, lakes, and even subterranean contain liquid water. The water cycle is the course taken by all water as it travels around our world.
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An extended period of below-average precipitation caused by changes in wind directions, weather patterns, or ocean currents is called
Answer:
is a hurricane
Explanation:
Which of the following is not a question normally asked by mapmakers before they design a new map.?
Answer:
The correct answer is:
B. How large are each of the map elements.
This is not a question normally asked by mapmakers, the size of the elements of the map is not that relevant.
The four main questions asked by mapmakers before designing a new map are:
1. What is the goal of the map
2. Who will read the map
3. Where will the map be used
4. What data and resources are available and needed
Explanation:
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Which is evidence of universe expansion that supports the big bang theory?
A. The temperature of the universe has cooled over time.
B. The temperature of the universe has cooled and warmed repeatedly over time.
C. The temperature of the universe has warmed over time.
D. The temperature of the universe is the same as it was at the time of the Big Bang.
The Doppler red-shift of light observed from distant stars and galaxies gives evidence that the universe is expanding (moving away from a central point). This allows for Big Bang Theory, because after a “bang” occurs all of the matter moves away from the point of origin.
5)
These graphs show global temperatures (left) and carbon emissions (right) over time. The graph of global temperatures is based on
1951-1980 average temperatures, which was 14 degrees Celsius (57.2 degrees Fahrenheit). The data show how high or low Earth's
surface temperature was above that average (14 degrees Celsius). The Global Fossils Carbon Emissions graph shows annual carbon
dioxide emissions based on fuel type. Human activities such as fossil fuel combustion, cement production, and agriculture all
contribute to carbon emissions. Based on the data shown, what reasonable conclusion can be drawn?
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A)
Global temperatures tend to increase as carbon emissions increase
B)
Global temperatures increase over time, regardless of human activity
Natural gas emissions have no effect on global temperature increases.
D)
The burning of coal has had the greatest effect on global temperatures.
According to the information, we can state that global temperatures tend to increase as carbon emissions increase, as shown in option A.
We can arrive at this answer because:
According to the information in the question, the increase in carbon emissions is one of the main factors responsible for the increase in global temperatures.This can be proven by observing the graph, where it is possible to see that there was a significant increase in global temperatures, as carbon emissions increased.These carbon emissions are the result of the increase in human activities and industrial processes, which promote the degradation of the atmospheric layers and allow an intense increase in global temperature.
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why does jupiter have three distinct layers of clouds?
Answer:
Different layers represent clouds made of gases that condense at different temperatures. The gases will condense to form clouds at different altitudes on different planets because the condensation of a gas requires a specific amount of pressure and temperature.
why is greenwich england so important to a geographer
Answer:
The line in Greenwich represents the historic Prime Meridian of the World - Longitude 0º. Every place on Earth was measured in terms of its distance east or west from this line. The line itself divided the eastern and western hemispheres of the Earth - just as the Equator divides the northern and southern hemispheres.
Explanation:
Explain how wildlife (animals) can survive in a hot desert environment.
Some smaller desert animals burrow below the surface of the soil or sand to escape the high temperatures at the desert surface. These include many mammals, reptiles, insects and all the desert amphibians. Rodents may plug the entrances to their burrows to keep out hot, desiccating air.
Explanation:
Animals survive in deserts by living underground or resting in burrows during the heat of the day. Some animals get the moisture they need from their food, so they don’t need to drink much water.
Which statements describe resources?
mutiple choice
1) Resources are unevenly distributed throughout the world.
2) The world's oil supply will last for the next forty years if its use continues as expected.
3) One of the factors people use when deciding where they will live is the availability of resources.
4) Renewable resources have little value for people.
5) Energy is the world resource which has the highest use.
6) The use of nonrenewable resources has decreased in recent history.
7) The use of resources is evenly distributed throughout the world.
How many plants are there in the solar system?
Answer:
8
Explanation:
There are 8planets
VenusMercuryEarthMarsJupiterSaturnUranusNeptuneEarluer Pluto was there but it was signed as dwarf planet in 2007
who is this.
A. teuchi
B. 3rd hokage
Answer:
teuchi
Explanation:
What is the relationship between distance from the Equator and the variation in daylight hours?
Answer:
their isnt one
Explanation:
Answer:
A. the time of year only
B. its distance from the equator only
C. its distance from the equator and the time of year
D. its distance from an ocean and the time of year
Explanation:
Geography - Show the most densely populated districts on the outline map of Maharashtra.
The district of Polghar and Thano are the most densely populated districts on the outline map of Maharashtra.
Let understand that Maharashtra is a state in India and it is the one of the most populous state in the world.
The most densely populated districts can be observed from the map using the Pink color because it is explained in the little table on the Map online image.
In conclusion, the district of Polghar and Thano are the most densely populated districts on the outline map of Maharashtra.
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Erosion occurs on the outside curve of meanders. Why is this?
Answer:
max velocity of the stream goes towards the outside of the bend causing an erosion of the bank. (more specifically the outer bank)
Explanation:
Meanders shift their position by eroding downstream and sideways. The stream's highest velocity changes to the outside of the curve, eroding the outer bank and resulting in the sideways flow.
What occurs when a meander makes an outside bend?The river bank outside of the bend, where water flow has the maximum energy due to less friction, is eroded and undercut by the force of the stream. River cliffs will result from this. Material is deposited inside the bend where the water flow is slower and there is more friction. This will create a slope for sliding off.
A meandering stream moves laterally due to deposition on the inside and erosion of silt on the outside of the meander (which is caused by friction work) (helicoidal flow, deceleration, channel lag, point bar sequence, fining upwards).
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After Christopher Columbus arrived in the Caribbean in 1492, Europeans established colonies in the Americas and trade routes across the Atlantic Ocean. How did European colonizers influence the history of Central America and the Caribbean islands?
Answer:
Tras la llegada de los europeos a las islas del Caribe en 1492, esta región adquirió un importante papel estratégico tanto para continuar la exploración y el descubrimiento de otros lugares como para organizar la conquista y colonización de nuevas áreas.
Explanation:
pumice may float on water . give reason
Pumice floats on water because it has an incredibly low density due to the air bubbles inside of it. As it is blown out of a volcano (extrusive igneous), and dissolved gasses exsolve and more air gets into it before it hardens into pumice. The less dense air offsets the more dense rock, causing it to float.
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The material that came together to form the Moon was flung
into space from where ?
Answer:
Off The Earth
Explanation:
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Continental lithosphere that has not experienced a mountain-building event in at least one billion years is called a
Answer:
Craton
Explanation:
Continental lithosphere that has not experienced a mountain-building event in at least one billion years is called a craton.
Which geographical feature is found in the middle east?
Answer:
Fertile Crescent
Explanation:
2.2 State whether the following statements are TRUE or FALSE. Write only TRUE or FALSE next to the question number, for example 2.1.6 TRUE 2.1.1. The earth's crust is made up of the lithosphere and the continental crust. 2.1.2. The mantle consists of a thick layer of molten rock called lava. 2.1.3. The epicentre is the point in the earth's crust where an earthquake starts. 2.1.4. A crater forms when the cone of a volcano collapses. 2.1.5. Pangaea split into the continents as we know them today.
leave my sight before my sight darkens
Volcanoes are known for their destruction. How are they constructive?
killing all the animals and vegetation
forming new land and islands
melting rock into gold
forming new species of animals
HURRY PLEASE!!
Answer:
Forming new land and islands
Explanation:
The extremely hot material cools when it hits lakes, rivers, oceans etc and turns to a solid
why do government find it difficult to reduce the risk associated with earthquakes
Answer:
Tectonic plates are very thick and earthquakes are mostly unavoidable
what climate and growing conditions do beans require
Answer:
Make sure that the soil temperature is at least 50 to 60 degrees Fahrenheit, and closer to 70 degrees F for good results with germination. Beans will not germinate if the temperatures are too cool. Beans grow best in the full sun, planted in well-drained and warm soil.
country that is the world leader in the production of precious gems
plz and ty
Answer:
Russia
Explanation:
Russia is the world leader in terms of diamond production. In 2018, Russia produced 43,161,058 carats of diamonds, with the principal miner being ALROSA. The company accounts for 90% of the nation's production.
Fertilizer adds missing chemicals back into the soil to make the soil more nutrient rich. These chemicals are needed for plants to survive and grow, and many of them are commonly found in the natural environment. How, then, can fertilizer also be a pollutant?
in what forms and where do we find water on Earth?
Answer:
The ocean?
Explanation:
where can you find the vast sand dunes of the curonian spit?
Answer:
German pronunciation (help·info); Latvian: Kuršu kāpas) is a 98-kilometre (61 mi) long, thin, curved sand-dune spit that separates the Curonian Lagoon from the Baltic Sea coast. Its southern portion lies within Kaliningrad Oblast, Russia, and its northern within southwestern Klaipėda County, Lithuania.:
What is Mesa Verde National Park famous for?
Answer:
It is the site that fostered the Puebloan culture