The United States currently:
A. imports 36 percent of its energy from Canada and Mexico.

B. only imports oil from Venezuela and the Middle East
C. exports 20 percent of its energy to Canada

D. exports 36 percent of its energy to Canada and Mexico

What is the amount of organic matter in all living organisms in a habitat called?

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule

Agriculture is a. slowly being replaced by mining as the primary industry in southern africa c. not possible in southern africa because of drought b. the primary industry in southern africa d. none of the above