21. What process is partially responsible for creating local climates in urban areas?

A. Thermohaline circulation

B. Urban heat island effect

C. ENSO

D. Köppen climate classification

Urban heat island effect

Explanation:

The population and activities in the urban area affect the temperature of the urban area. Urban heat island is an urban area that has a temperature normally higher than those in the surrounding rural area, this is caused by the urban heat island effect.

The urban heat island effect tends to increase the temperature of the urban area at day time, this is mainly caused by human activities in such urban areas. The temperature goes down at night when activities reduce.

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.