Which of the following energy resources currently provides the greatest percentage of the total energy usage in the United States?

a. coal
b. oil
c. gas
d. nuclear


a

Environmental & Atmospheric Sciences

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Stream terraces represent

A) older floodplains of a river that has incised downward. B) cutoff meanders of a meandering stream. C) areas where sea level has risen and waves beveled across the coast. D) None of these are correct.

Environmental & Atmospheric Sciences

The most common minerals found in soils are combinations of which four most commonly found elements in Earth's crust?

a. carbon, hydrogen, oxygen, nitrogen b. silicon, aluminum, oxygen, iron c. potassium, zinc, copper, iodine d. silicon, hydrogen, oxygen, nitrogen

Environmental & Atmospheric Sciences

Crevasses usually form as a result of

A) friction only. B) compression only. C) tension only. D) both friction and tension. E) friction, tension, and compression.

Environmental & Atmospheric Sciences

Which of the following is NOT a major Earth component?

a. atmosphere b. biosphere c. hydrosphere d. lithosphere e. stratosphere

Environmental & Atmospheric Sciences