What is the thermocline? A. where magma is forced up through the ocean floor along mid-ocean ridges
B. the area off the continental shelf that declines to the ocean floor
C. the ocean area near the polar regions where water temperatures cool
D. beneath 200 meters, ocean water cools at a constant rate of 1°C per 100 meters depth

Nigeria and south africa

Answer after wwii, communist countries in eastern europe formed the warsaw pack, a military alliance, and comecon, an economic alliance;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

Ithink the answer is either a , c or d