Coal continues to be the main fuel used to generate electricity in the United States. This is partially because ________________.
A) coal deposits in the United States lie very close to the surface and are easily extracted
B) coal causes almost no air pollution when burned
C) the quality of coal in the United States is very consistent from deposit to deposit
D) the country has such large reserves of coal
E) compared to natural gas and oil, coal contains very few impurities, such as sulfur

Question

Quizplus · Accepted Answer

The United States has large reserves of coal, which makes it a readily available and reliable source of fuel for generating electricity.

Coal Continues to Be the Main Fuel Used to Generate