Which of these fields is the best example of what physical geographers study? A. ecosystems and environments
B. ancient cultures
C. economics and governments
D. cities and societies

D

Explanation:

I think the answer should be D. Hope it helps.

A

Explanation:

"Physical geographers examine the physical aspects of a region and how they relate to humans. They study features of the natural environment, such as landforms, climates, soils, natural hazards, water, and plants." -wiki

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.

answer is x. lo xd