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
You might also like to view...
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.
Which of the following is NOT a major Earth component?
a. atmosphere b. biosphere c. hydrosphere d. lithosphere e. stratosphere
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
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.