Where is the top of the asthenosphere closest to Earth's surface?

A) Along a mid-ocean ridge
B) Above a deep mantle plume
C) Along a transform fault
D) Along a subduction zone


Answer: A

Environmental & Atmospheric Sciences

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Porous water-saturated layers of underground rock, sand, or gravel are known as

A. aquifers. B. recharge areas. C. watersheds. D. cones of depression. E. lakes.

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The altitudinal difference between the highest and lowest points in an area is known as ________.

A) relief B) regolith C) the strata D) landscape E) topography

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Which of the following modes of transportation are most often used for short-distance delivery because they can be loaded and unloaded quickly and cheaply?

A) airplanes B) cargo ships C) freight trains D) trucks E) speedboats

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Name three of the top 10 rivers by discharge and where they are located

What will be an ideal response?

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