Locations in this region where major earthquakes occur are most closely associated with areas of

answer: populations of walruses and polar bears will decline

explanation:

you put it

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.