A(n) represents the U. S. in a foreign country. A. attorney general
B. ambassador
C. secretary
D. embassy

B(Ambassador)

Explanation:

The president appoints ambassadors to foreign countries to represent the United States.

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

the answer is mosques. they are an important part of islamic culture.