The oldest oceanic crust is slightly less than _________ years old

a. 300,000 d. 180 million
b. 4.6 billion e. 3.96 billion
c. 70,000


D

Environmental & Atmospheric Sciences

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Lake effect precipitation is caused by:

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What is the minimum mapping unit?

What will be an ideal response?

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What are the different layers, or horizons, that compose a soil profile? What makes each one distinct from the others?

What will be an ideal response?

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