What kind of precipitation pattern govern the climate of the swahili coast?

Monsoon winds.

Explanation:

    The Swahili coast is in an advantageous geographical position - practically the entire coast of East Africa is part of the monsoon zone - a fact that historically has always favored Indian Ocean navigation and enabled trade in that part of the world.

answer; (b); i believe its indefinite existence of human population in a healthy and prosperous condition;

c. seafloor spreading occurs.

d. crust becomes molten rock.

e. denser plates slide under lighter plates.