Two regions of air are colliding. The two regions have different temperatures and pressures, but within each region, the temperatures and pressures are similar. These regions would be called: A.) air masses B.) cyclonic depressions C.) tropical disturbances D.) pressure troughs

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.

answer; the correct answer is chemical: