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Sedbober [7]
2 years ago
12

How do scientists use earthquake waves to determine the composition of layers of the earth?

Geography
1 answer:
Harrizon [31]2 years ago
6 0

Answer:

The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers. ... Bending of the waves occurs at the layer's boundaries. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.

Explanation:

i looked that up so dont give me credit. also seismic waves are basically the waves that are produced from earthquakes. and not like waves in an ocean itskinda like gravity waves in a way

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Which of the following statements is true?
dolphi86 [110]

Answer:

C. There is more usable freshwater below the earth's surface than there is above it.

Explanation:

A. Most of earth's freshwater is found in lakes and rivers.

Although lakes and river are one of the surface water that house the highest percentage of fresh water (about 0.3%) but most of the earths fresh water are not found in lakes and rivers but are found in ground water and ice caps and glaciers. This statement is definitely not true.

B. Almost half of the water in the U.S. is used for mining and industry.

According to USGS(US geological survey) most water usage in the US is for thermoelectric power and irrigation followed by public supply before the use for mining and industry comes in. The statement is wrong to say almost half of the water in the US is used for mining and industry.

C. There is more usable freshwater below the earth's surface than there is above it.

Fresh water in ground water constitute about 30.1 % fresh water found in the earth. In fact some of the fresh water found on surface water bodies like rivers migrated from ground water. Groundwater is the largest reservoir of usable fresh water. The statement is correct and it is true.

D. Water is called the "universal solvent" because it dissolves in most other liquids.

Water is regarded as a universal solvent because it dissolves more substances than any other liquid not because it dissolve in most other liquids.

7 0
3 years ago
Which feature causes a gap in the geological record? A.  Extrusion. B fault. C. Intrusion. D. Erosion
Yuri [45]

Answer:

The answer is A, extrustion

Explanation:

6 0
3 years ago
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The U.S. uses a (__) economy in which businesses decide what to sell and consumers
Vsevolod [243]

Answer: Free market economy, or just a market economy

Explanation:

5 0
2 years ago
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Pls answer aasap, ill mark you as a brainliest if only you answer this correctly.​
inysia [295]

Answer:

Convergent boundary forms trenches, volcanoes and mountain ranges.

divergent boundary forms rift valleys and oceanic ridges

transform boundary causes eqarthquakes

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2 years ago
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Aleksandr [31]
I would say it is better ways of predicting hurricanes and automobiles that use no fossil fuels.
I could be wrong but I hope this information helps you my friend :D
3 0
3 years ago
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