Magma evolution leads to more(mafic/felsic) melt which are (less/
more viscous) and cosequently erupt more (effusively/
explosively). Compared to eruptions of less-evolved melts, eruptions of highly
How mightmarevolution affect the eruptive style and hence the hazards posed by a volcano Magma evolution lead to more melts which are and consequendy erupt more . Compared to eruptions of less evolved
Answers
As it proceeds through numerous geological processes inside the Earth's crust, magma evolves, changing in content and features. A volcano's eruptive style and dangers can both be significantly impacted by this development.
Magma has the potential to either grow more mafic or more felsic as it develops. Fesic magmas have more silica than mafic ones, which are richer in magnesium and iron. The viscosity, or measure of the magma's reluctance to flow, depends on the composition of the magma.
When magma changes to become more mafic, its silica concentration normally decreases, making it less viscous. Due to the magma's easier flow due to its low viscosity, eruptions are more effusive. Lava is released rather slowly during effusive eruptions, and it can travel great distances before hardening. Shield volcanoes with broad, gently sloping slopes are frequently formed by these eruptions.
On the other hand, if magma changes to a more felsic state, it often has a larger silica concentration and is hence more viscous. Due to the magma's restricted flow caused by its high viscosity, eruptions become more violent. Magma fragments, ash, and gases are violently ejected during explosive eruptions.
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Related Questions
Please help!!!!!!!!!!!!!! I need a good grade! Brainliest stars and hearts if correct! You get 10 points!
What islands lie to the east of the Strait of Magellan? *
Hawaii
Falkland Islands
Bahamas
Cayman Islands
Answers
Answer:
Falkland Islands (Islas Malvinas)
Explanation:
You can look on maps to see where the Straight of Magellan is with respect to all of these islands. The Falkland Islands are directly east of the Straight of Magellan.
the tremblor fault has a magnitude 4 earthquake every 5 years. the shaky fault has magnitude 6 earthquakes every 150 years. both faults can have earthquakes of the same magnitude and follow gutenberg-richter. which fault is more dangerous?
Answers
Shanky fault is more dangerous. An earthquake's magnitude is a numerical scale that is used to determine how much seismic energy is released as a result of the earthquake.
The Modified Mercalli Intensity Scale is a descriptive scale that is used to determine the intensity of an earthquake's shaking. Magnitude: The size of an earthquake is a numerical indicator of the magnitude of the earthquake at its source. The Richter Magnitude Scale gauges the seismic energy that an earthquake releases. The two terms used to describe earthquake characteristics are magnitude and intensity. The energy released at the epicentre of an earthquake is measured in magnitude. Measurements made with seismographs are used to calculate magnitude. The magnitude of the shaking caused by an earthquake at a certain site is measured by intensity. The amount of energy produced by an earthquake at its focal point determines its magnitude.
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Part D
What does the abandonment and rediscovery of Incan farming methods say about the idea of progress?
Answers
The Incas created hardy cultivars of crops like corn and potatoes. Around a million hectares of land were covered by the terrace system at the height of Incan civilization in the 1400s. Over the decades, as a result of the Spanish imposing their own crops, the people abandoned the terraces and the canal beds dried up.
What was Incan civilization?Between and, the Inca civilization thrived in ancient Peru. Their kingdom eventually covered all of western South America, from Quito in the north to Santiago in the south, between 1400 and 1533 CE.
At the time, it was the biggest empire the Americas had ever seen and the biggest in the entire world.
The Incas conquered people and exploited the soil in a variety of environments, including plains, mountains, deserts, and tropical jungle, unfazed by the frequently harsh Andean environment.
Famed for their distinctive art and architecture, they built impressive structures wherever they conquered, and their spectacular terracing, highways, and mountaintop settlements continue to astound visitors today at such well-known locations as Machu Picchu.
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Scientists have been studying the size of three populations in a grassland. In this ecosystem, hawks (a type of large bird) eat sparrows (a type of small bird), and sparrows eat seeds from buckwheat. The data showed that all three populations were stable. Then the hawk population increased suddenly. What will likely happen to the size of the sparrow population as a result? The size of the sparrow population will
Answers
Answer: The size of the sparrow population would decrease dramatically to meet the demands of many predators, the hawks. Because the Hawks’s population increased so suddenly it would mean that more and more hawks would need to eat and their food sources is the small sparrow. Therefore the sparrow population would decrease due to too many predators hunting.
People in North Africa are becoming __________ as educational opportunities are expanding to more people.
A.wealthier
B.more literate
C.healthier
D.more religious
Answers
Since there were more educational opportunities they were able to become more literate.
B.) more literate
3) Select 2 that apply.
What are two consequences that the agricultural revolution has had on the environment?
1.factories and machines making the production of goods much faster and cheaper than those that
were handmade
2.the destruction of ecosystems to make room for crops
3.the ability to use mostly fossil fuels (coal and oil) for energy purposes
4.the ability of human populations to settle down, build civilizations, and expand in vast numbers
Tar
Answers
The two consequences that the agricultural revolution has had on the environment are
the ability of human populations to settle down, build civilizations, and expand in vast numbers the destruction of ecosystems to make room for crops.What is the agricultural revolution?The term "agricultural revolution" refers to a number of cultural changes that originally created the opportunity for people to switch from a livelihood of harvesting and hunting to one of agriculture and animal civilization.
The Agricultural Revolution was the exceptional rise in agricultural output in Britain between the mid-17th and late 19th centuries as a result of gains in labor and land productivity.
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which of the following statements is true? a. water moves upward in the capillary fringe because of electrostatic attraction between its molecules and mineral surfaces. b. aquitards don't transmit water at all. c. a rock that is porous must also be permeable. d. primary porosity refers to the largest 10% of pore spaces; secondary porosity refers to the remaining 90% of (smaller) pores.
Answers
Water moves upward in the capillary fringe because of electrostatic attraction between its molecules and mineral surfaces.
What is capillary fringe?
The moisture-saturated region directly above the water table and below the saturation barrier is referred to as the capillary fringe. The height of the capillary zone, which is part of the vadose zone, varies based on the characteristics and type of soil. A negative hydraulic force greater than the force of gravity is generated by the capillary action (tension) that causes the rise.
Finding the location of the water table is crucial for trenchless construction. Under the water table, trenchless construction carries the risk of having too much water seep in.
Usually, the first sign that the water table is nearby is the capillary fringe. In order to start drainage work, this gives contractors a trustworthy indication of the depth of the water table. However, due to the fact that the capillary fringe cannot be drained via seepage drainage, vigilance must be taken. Additionally, the elevation of the water table is not lowered by limiting drainage to the capillary fringe.
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Challenge that stand in way of sending explorers to the center of the earth?
Answers
Answer:
Challenges that stand in the way of sending explorers to the center of the earth are, the heat is way too intense, it would burn them up in a second, there is so much pressure that with the burning it would smash them.
Explanation:
Which mountain range receives the heaviest precipitation in the continental united states?
Answers
The mountain range that receives the heaviest precipitation in the continental United States is the Cascade Range.
This range is located in the Pacific Northwest region and stretches from northern California through Oregon and Washington, up to the southern border of British Columbia, Canada. The heavy precipitation in the Cascades is primarily due to the orographic effect, which occurs when moist air masses from the Pacific Ocean encounter the mountain range, causing the air to rise, cool, and release moisture in the form of rain or snow.
This phenomenon contributes to the region's temperate rainforests and abundant snowfall in the winter months. The high precipitation levels in the Cascade Range make it an essential source of water for the surrounding areas, supporting agriculture, hydroelectric power generation, and natural habitats for diverse plant and animal species.
Additionally, the Cascade Range is famous for its scenic beauty, attracting numerous tourists and outdoor enthusiasts every year.
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order the planets by decreasing speed with which they will appear to move through the stars in earth’s sky.
Answers
The order of planets by decreasing speed with which they appear to move through the stars in Earth's sky is as follows: Mercury, Venus, Mars, Jupiter, Saturn.
This order is determined by the relative speeds at which each planet orbits the Sun. The inner planets, Mercury and Venus, move faster than Earth in their orbits, so they appear to move quickly through the sky. Mars, Jupiter, and Saturn are outer planets and move more slowly than Earth, so they appear to move more slowly through the sky.
Mercury, being the closest planet to the Sun, orbits the fastest, and it completes an orbit in just 88 Earth days. Venus is next, with an orbit of 225 Earth days. Mars, Jupiter, and Saturn have longer orbital periods, taking 687, 4,333, and 10,759 Earth days, respectively.
It is worth noting that although the order of the planets by apparent motion through the stars is fairly consistent, their actual positions and visibility in the sky depend on their position relative to Earth and the Sun, as well as other factors such as their individual orbital inclinations.
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A country that has limited resources would most likely focus on the development of technology that includes
Answers
A country that has limited resources would most likely focus on the development of technology that includes efficient use of resources, renewable energy sources, and cost-effective solutions.
When a country has limited resources, it becomes crucial to optimize their utilization and find innovative ways to address the challenges. Technology can play a significant role in achieving these goals. By investing in technology that promotes efficient resource usage, such as advanced manufacturing techniques and sustainable practices, a country can maximize its limited resources and reduce waste.
Additionally, developing technologies that rely on renewable energy sources can help mitigate the country's dependence on scarce resources and contribute to long-term sustainability. Lastly, focusing on cost-effective technological solutions enables the country to achieve more with limited resources, allowing for economic growth and development.
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Clean coal technologies such as scrubbers primarily remove the __________ compounds from coal burning exhaust.
Answers
Clean coal technologies such as scrubbers primarily remove the sulphur compounds from coal burning exhaust.
In order to increase the effectiveness and acceptability of coal extraction, preparation, and use from an environmental standpoint, a new generation of advanced coal utilization methods known as clean coal technologies (CCTs) has been developed. Technologies like AFBC and IGCC have benefited greatly from the commercialization efforts of the Clean Coal Technology Program. The initiative has also presented a number of fresh possibilities for the management of particulate, nitrogen oxide, and sulfur oxide emissions from coal-fired power plants.
The advantages of Clean Coal Technology for the environment are clear. Reducing SO2 and NOx emissions lessens acid rain, which lessens lake eutrophication and acidification as well as harm to forests and other flora. Additionally, it lessens harm to buildings constructed of steel, concrete, limestone, and other materials.
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by what primary heat transfer mechanism does the sun warm the earth? by what primary heat transfer mechanism does the sun warm the earth? radiation convection all of the above processes are equally important in combination. conduction
Answers
The primary heat transfer mechanism by which the sun warms the earth is radiation.
This is because the sun emits electromagnetic waves that travel through the vacuum of space and reach the earth's atmosphere. These waves are absorbed by the earth's surface and atmosphere, which causes heating. While conduction and convection also play a role in the heat transfer process, they are not as important as radiation in this case.
However, it is important to note that all of these processes work together in combination to maintain the earth's temperature and climate. Overall, the sun's radiation is the main driving force behind the heating of the earth.
The primary heat transfer mechanism by which the sun warms the Earth is radiation. In this mechanism, energy is transferred through electromagnetic waves, such as visible light and infrared radiation. Unlike conduction and convection, radiation does not require direct contact or a medium to transfer heat, making it the dominant method for heat transfer between the sun and the Earth. While conduction and convection may play roles in other heat transfer processes, it is radiation that is essential in the sun-Earth energy exchange.
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If increased levels of carbon dioxide are the result of an industrial economy, which of the following countries is most industrialized?
Answers
Answer:
China
Explanation:
This is my best guess because you failed to show the options provided.
China is the absolute worst when it comes to pumping our atmosphere full of CO2
HELP!! 100 POINTS AND BRAINLIEST!!!
Choose three possible solutions to the problem. (immigration to the us). Briefly compare and contrast the advantages and disadvantages associated with these solutions. In the table below note three advantages and disadvantages for each solution. BE sure to use research to support your claims.
Answers
Answer:
What are the advantages and disadvantages of immigration?
Immigration can give substantial economic benefits – a more flexible labour market, greater skills base, increased demand and a greater diversity of innovation. However, immigration is also controversial. It is argued immigration can cause issues of overcrowding, congestion, and extra pressure on public services.
Explanation:
um is it ok to ask some on for the answers for this whole page
Answers
Answer:
I think so but im not for sure
Explanation:
Read the section titled "Natural Gas." Why is the use of natural gas as a fuel becoming more common?
Answers
Natural gas is becoming a more common fuel source for several reasons, including its environmental benefits, cost-effectiveness, and accessibility.
Firstly, natural gas is a cleaner fuel compared to other fossil fuels, such as coal and oil. It produces fewer greenhouse gas emissions and air pollutants, making it an attractive option for combating climate change and improving air quality. In particular, natural gas emits approximately 50% less carbon dioxide (CO2) when burned compared to coal, significantly reducing its environmental impact.
Secondly, natural gas is cost-effective, as it is often less expensive than other energy sources. This affordability makes it an attractive option for both residential and industrial consumers. Advances in drilling technology, such as hydraulic fracturing (or fracking), have also led to increased natural gas production, driving down its cost and making it a more competitive energy source.
Lastly, natural gas is accessible and abundant, especially in regions with well-developed infrastructure. As natural gas reserves are discovered and extracted, the global supply of this fuel is increasing. This factor, combined with the expansion of pipelines and other distribution networks, has made natural gas more readily available to a larger number of consumers.
In summary, the use of natural gas as a fuel is becoming more common due to its environmental advantages, cost-effectiveness, and accessibility. As a cleaner and more affordable energy source, natural gas is an attractive option for those seeking to reduce their carbon footprint and lower energy costs.
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.Which boundary concept is most clearly shown in the image above?A) defined boundaryB) delimited boundaryC) natural boundaryD) open boundaryE) demarcated boundary
Answers
The correct option is C. Based on the image above, the boundary concept that is most clearly shown is a natural boundary. A natural boundary is defined by natural features such as rivers, mountains, and oceans.
The image above depicts a clear physical boundary between the land and water, which is formed by the natural coastline. The coastline is a clear example of a natural boundary because it is formed by the physical features of the earth, such as ocean waves and the land's topography. Natural boundaries are often permanent, as they are not easily moved or altered, and they can provide a clear and recognizable boundary between neighboring regions or countries. The natural boundary concept is often used in international relations, where borders are defined by natural features, to avoid disputes between nations. In conclusion, the image above clearly depicts a natural boundary, which is formed by the coastline, providing a clear physical boundary between the land and the water.
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If we look up in to the night sky and observe which stars appear to be the brightest. What are we actually observing?
A-distance from the Earth
B-luminosity
C-apparent magnitude
D-absolute brightness
Answers
Find the value of x.
12
B
С
Answers
Answer:
... there isnt an equation.. ill answer once u edit the question
Explanation:
To which type of rock does granite belong
Answers
Answer:
Igneous
Explanation:
I did the test
Hope this helps :)
what are the names of the cities in southeast asia?
Answers
Answer: Some of the cities in Southeast Asia are Kuala Lumpur, Jakarta, Hanoi, Manila, Bangkok, Surabaya, Phnom Penh, Naypyidaw, Bandung and Vientiane.
Explain four stages in the epidemiologic transition.
Answers
the quantity of groundwater that can be stored within sedimentary material is most directly controlled by which of the following parameters?
Answers
The quantity of groundwater that can be stored within sedimentary material is most directly controlled by porosity and permeability. The correct answers are option a and b.
Porosity refers to the percentage of void space within a rock or other material that can be filled with fluid or gas. In other words, it refers to the amount of space between the rock particles that can hold water.
Permeability refers to the ease with which a fluid can flow through a material, and it is affected by the interconnectedness and size of the void spaces. When a rock or other material has high permeability, it allows water to flow through it more easily.
So, the quantity of groundwater that can be stored within sedimentary material is most directly controlled by porosity and permeability. Sedimentary rocks are generally more porous and permeable than other types of rock, which makes them better at storing and transmitting groundwater. Therefore options a and b are correct.
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The probable question may be:
the quantity of groundwater that can be stored within sedimentary material is most directly controlled by which of the following parameters?
a) porosity
b) permeability
c) viscocity
d) none
30 POINTS!!
Prompt Rubric | Checklist
Exploring a New Place
Every location in the world is unique because of its people, culture, terrain, weather, and other features. If you had the opportunity to explore a new place, where would you go?
Write an essay that identifies one place that you have never visited before and why you would like to go there. Include details about the features of the location that interest you.
As you write, remember your essay will be scored based on how well you:
· develop a multi-paragraph response to the assigned topic that clearly communicates your controlling idea to the audience.
· support your controlling idea with meaningful examples, reasons, and information based upon your research and readings.
· organize your essay in a clear and logical manner, including an introduction, body, and conclusion.
· use well-structured sentences and language that are appropriate for your audience.
· edit your work to conform to the conventions of standard American English.
Answers
Explore Iceland's Natural Wonders
Iceland has had the same Democratic country for 1000 years
Iceland is a small island nation located in the North Atlantic Ocean, near the Arctic Circle. It is known for its rugged and diverse landscape, including glaciers, geysers, hot springs, volcanoes, and lava fields. The country is also famous for its vibrant culture, unique cuisine, and friendly people.
One of the main reasons I would like to visit Iceland is to experience its natural wonders. The country is home to some of the most spectacular natural scenery on earth. From the massive glaciers to the towering waterfalls and rugged coastline, Iceland has a lot to offer. One place that I would love to explore is Vatnajökull National Park, which is home to Europe's largest glacier. I would love to go on a guided glacier tour, where I can walk on the ice and witness the stunning ice caves and crevasses.
Iceland's volcanic activity is also fascinating. The country has over 130 volcanoes, and many of them are still active. One of the most famous is Eyjafjallajökull, which erupted in 2010 and caused massive disruptions to air travel. I would love to visit the volcanic areas of Iceland, such as the Krafla volcano, where I can witness the power of the earth and its forces.
Apart from its natural wonders, Iceland has a unique and vibrant culture. The country is known for its literature, music, and art, and I would love to experience them firsthand. Icelanders are also proud of their traditional cuisine, which includes dishes like smoked lamb, pickled herring, and Skyr, a type of Icelandic yogurt. I would love to try some of these traditional dishes and learn about the country's culinary history.
In conclusion, Iceland is a fascinating and unique place that I would love to explore. Its natural wonders, vibrant culture, and friendly people make it a destination that I believe would be unforgettable. I hope one day I can visit this beautiful country and experience all it has to offer.
ChatGPT
Which is the least fragile?
A) ceramic teacup
B) glass cup
C) icicle
D) plastic blocks
Answers
Answer:
glass cup.
Explanation:
i don't know the exact but i think correct
what is global warming
Answers
global warming is the unusually rapid increase in earths average surface over the temperature past century primarily due to the green house gases released by the people burning fossil fuels
Answer:
global warming is the unusually rapid increase in earths average surface over the temperature past century primarily due to the green house gases released by the people burning fossil fuels
Explanation:
What earthquake produced no surface faulting, suggesting fault movement occurred below 20 km in depth
Answers
The earthquake that produced no surface faulting, suggesting fault movement occurred below 20 km in depth is referred to as Blind earthquake.
Blind earthquake refers to the earthquakes that occur along the fault lines but do not cause any ground surface rupture because the earthquake ruptured beneath the Earth's surface. Blind earthquakes can be caused by either a thrust fault or a normal fault, and they occur as a result of a slip on a pre-existing fault. In geology, a fault is a discontinuity or fracture in the Earth's crust.
Blind faults refer to those that do not break the Earth's surface during an earthquake. When an earthquake ruptures beneath the Earth's surface, it is known as a blind earthquake.
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If Europe is located at the same latitudinal
parallel as Canada, why is its climate so
much warmer? Explain. (I need help)
Answers
Answer:
Ocean Currents
Explanation:
The gulf stream flows towards Europe. This is a warm ocean current that makes Europe much warmer than Canada.
Carl Linnaeus developed which of the following?
- the first system to differentiate between plants and animals
- the taxonomic system that underlies most major modern systems
- the most recent classification system to be adopted in the last century
- the first scientific professional research group to work on an international taxonomy
Answers
Answer:
B, the taxonomic system that underlies most major modern systems
Explanation: