Which of the following resources found in ocean sediments has the greatest economic value?

A) Gas hydrates
B) Manganese nodules and crusts
C) Petroleum
D) Rare-earth elements
E) Sand and gravel


C

Environmental & Atmospheric Sciences

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Forests do NOT

A) store carbon that otherwise would be in the atmosphere. B) absorb carbon dioxide and release oxygen. C) reduce erosion and aid in flood prevention. D) cover only 3 percent of the Earth's surface.

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Why is wind unable to transport sediment with the same grain size competency as water? What will be an ideal response?

Environmental & Atmospheric Sciences

In petrified wood, the wood has been replaced with the mineral _____.

A) calcite B) feldspar C) marble D) amber E) chert

Environmental & Atmospheric Sciences

List three types of radioactive decay. For each type, describe how the atomic number and the atomic mass change

What will be an ideal response?

Environmental & Atmospheric Sciences