Explain which type of melting (flux, decompression, heat transfer) is responsible for mafic magmas in each of the following plate-tectonic settings and why the resulting magma is mafic. (a) Mid-ocean ridges

Q: Describe the concerns on water quality. What are some primary and secondary concern? Identify the di...

A: Water is an essential element for the existence of life on the planet earth. But due to global warmi...

Q: does renewable energy cannot replace fossil fuels? why?

A: The problem of increasing consumption for energy has resulted in more and more dependence of fossil ...

Q: A B E F G For the block diagrams shown below, match the diagram to the name of the structure. Note t...

A: Folds are generated due to the compressive forces below the earth’s surface, and are exposed to the ...

Q: Which of these is NOT true regarding a penumbral lunar eclipse ? A : moon shows no noticeable change...

A: Cosmology is primarily made of two words cosmos (universe) and Logos(study) so, cosmology can be def...

Q: What are the efforts of Pakistan and International Organization in resolving Disaster  problems in t...

A: There are some important and critical challenges foreign countries are facing by natural disasters l...

Q: 64. Montrel takes a trip to Central America during the winter. He finds out that the temperature in ...

A: According to the physical geography, America is divided into three as North America, South America a...

Q: 4. What are the three methods of absolute dating. Explain each one.

A: Determining the age of any layers or rock beds, there are two ways from which we can understand the ...

Q: Using your own words, give a detailed definition of a soil. What is a true soil and how is it differ...

A:  Earth is the third planet in the solar system and a terrestrial planet as well. The earth's surface...

Q: Write and explain what you learned about the origin of soils.

A: Soil is the uppermost layer of Earth, which is a mixture of minerals, organic matter, gas, water, et...

Q: 10. What is inside ice that is miles thick that can provide clues to temperature during past time pe...

A: Ice sheets and glaciers are formed from the accumulation of snowfall over many years. The chemistry ...

Q: 5. Match the terms related to relative and absolute dating. 1. organisms that were present during a ...

A: The Earth is the third planet in the solar system, and it is a terrestrial planet. Therefore, the ea...

Q: 2. How were the iron beds in the oceans formed? After billions of years, cyanobacteria turns into ir...

A: Iron oxide is an inorganic compound that is composed of two elements; Iron and Oxygen. The iron oxid...

Q: Which of the integrated waste management is reduced on an individual level? Select one: a. Recyclin...

A: Any material that is useless and can be discarded is called waste. Wastes are generated from househo...

Q: Can you make a journal critique about pollution

A: Pollution is the consequence of human ill activities as well as natural disasters. There are many ty...

Q: 1. What is tectonic stress and what causes it? What are some of physical processes exert stresses on...

A: The outer surface of the Earth known as lithosphere which consists of the crust and the upper mantle...

Q: Make a detailed timeline about Earth’s Geological Time Scale.

A:     The geologic time scale is a standard chronology used to explain the age of rocks and fossils, a...

Q: What aquatic ecosystem services are provided.

A: Aquatic ecosystem is an ecosystem found in and around a water body. Water body may fresh or saline. ...

Q: 4. What does an unconformity in a rock stratum indicate? the relative age of the rock O a disruption...

A: Geology is the branch of science that studies the Earth. Geology studies the past, present, and futu...

Q: Describe the differences between active and passive continental margins.  Be sure to include how var...

A: Based on different bathymetric studies such as sounding, echo sounding, satellite studies, seismic r...

Q: Explain and show why the maximum intensity emission of the sun is at 500 nm. What is the wavelength ...

A: Explain and show why the maximum intensity emission of the sun is at 500 nm. What is the wavelength ...

Q: Fragmented explanation of tensile in minerals

A: Minerals are the most important solid substance which is found in nature and can be composed of one ...

Q: Elaborate how you understand the importance and function of soil chemical properties to agriculture.

A: Soil is the uppermost layer of the Earth. It is composed of minerals, organic matter, water, air, li...

Q: 1. The advances and retreats of the Pleistocene ice sheets (past 2 million years) were caused by A c...

A: A glacial period is a time interval marked by colder temperatures and glacial advances. It lasts for...

Q: 4. Fill in the correct lable for each eruption type. Provide an example of where you would find that...

A: Volcanoes are formed when molten rock, ashes and steam escape through vents in the Earth’s surface. ...

Q: 19. What would be a typical time interval between an earthquake and a tsunami reaching the opposite ...

A: What would be a typical time interval between an earthquake and a tsunami reaching the opposite side...

Q: . The order in which seismic waves from an earthquake arrive at a seismic recording station is A the...

A: Earthquakes release energy in the forms of seismic waves. Seismic waves can be described as disturba...

Q: Why is land Capability Classification considered to be a narrowly focused classification system

A: Agriculture is the practice of cultivating livestock and plants and plays an important role in growt...

Q: The figure below shows histograms of Sr isotopic compositions for modern mid- ocean ridge basalts (M...

A: The figure below shows histograms of Sr isotopic compositions for modern mid ocean ridge basalts (MO...

Q: Describe the steps that lead to the formation of the Aurora Borealis/Australis. What sort of effects...

A: An aurora is a natural light display in the high-latitude sky, which is generated due to the collisi...

Q: 23. What can be determined by analyzing the difference in the time it takes for P waves and S waves ...

A: Earth is the third planet in the solar system. It is a terrestrial planet, meaning it has a rocky an...

Q: he ine segment labeled A in Figure 4 represents what type of rheology? O A ductile O B brittle OC el...

A: The live ent labeled A in Figure 4 represents

Q: A plant is growing into the stone and creating cracks and fractures on it. Which of the following is...

A: Earth is a terrestrial planet, meaning has a rocky solid surface. Many physical processes shape the ...

Q: How do human activities impact ecosystem such as species, habitat, communities, and ecosystem functi...

A: How do human activities impact ecosystem such as species, habitat, communities, and ecosystem functi...

Q: 22. Match the special property to the mineral that has that special property. 1. dissolves in acid a...

A: Rocks are naturally occurring aggregates of minerals. The Earth's surface is made up of different ty...

Q: How do joints differ from faults? O A Rocks have not moved along joints, whereas rocks have moved al...

A: How do joints differ from faults?

Q: 10. If contour lines are very close together on a topographic map, what does that tell about the lan...

A: Contour lines are drawn on topographical maps to indicate the land elevation. The relative gradient ...

Q: ree roots breaking up rocks as they grow into it. Which of the following types of weathering involve...

A: Earth is a terrestrial planet, meaning has a rocky and solid surface. Many physical processes shape ...

Q: 9. How do scientists obtain a sediment core? They dig at least 100 feet. They place a metal tube in ...

A: The Earth is the third planet in the solar system, and it is a terrestrial planet. Therefore, the ea...

Q: Discuss three things people can do to produce a cleaner water supply. Discuss what you learned about...

A:   Introduction :- Human health, society, and economies all depend on safe water. To also have health...

Q: In a full moon and a lunar eclipse, is Earth in between the sun and Moon in both cases? (Yes or No) ...

A: In a full moon and a lunar eclipse, is Earth in between the sun and Moon in both cases?

Q: At about 30 to 65km below the earth's surface, what is the average temperature increase per kilomet...

A: Earth is the third planet in the solar system and it is a terrestrial planet. Therefore, it has a so...

Q: 17. A Plinian eruption is best categorized as a. the calmest types of volcanic events b. a type of v...

A: Weathering is the process by which rock changes its mineral composition by physical, chemical, and b...

Q: The energy debate: Renewable energy cannot replace fossil fuels

A: Renewable energy, regularly alluded to as perfect energy, comes from normal sources or cycles that a...

Q: How does basal sliding of a glacier occur?

A: Geomorphology is the study of the landforms, structures, features, how they have formed, the sedimen...

Q: Reverse faults are typically created by what type of stresses?

A: Reverse faults are typically created by what type of stresses?

Q: DESCRIBE MITIGATION AND ADAPTATION AS two main approaches USED TO  tackle the problem of global warm...

A: Though global warming and climate change are the natural events but human activities have increased ...

Q: What are the steps in the formation of a conventional petroleum or natural gas deposit?

A: Petroleum is a type of natural resource, which is also called fossil fuels. It is one of the major e...

Q: 11. Organisms that can survive in extreme environments are called envirophile extremeisms extremophi...

A: Earth is the third planet in the solar system and it is a terrestrial planet as it has a rocky and s...

Q: an blow out take underground (below the earth). Answer yes or no?

A: Earth is a terrestrial planet, meaning it has a rocky surface that is primarily made up of silicate ...

Q: Differentiate water table well and artesian well.

A: An artesian well is a type of natural opening in the earth's crust from which groundwater flows outs...