Question

______ was the process that dried out the sahara and turned it into a vast desert.
a. evolution
b. radiation
c. deforestation
d. desertification

please select the best answer from the choices provided
○ a
○ b
○ c
○ d

Explanation:

To solve this, we analyze each option:

• Option A: Evolution is about species change over time, not desert formation. Eliminate.
• Option B: Radiation is energy transmission (like light/heat), not related to desert creation. Eliminate.
• Option C: Deforestation is tree removal, which can contribute to desertification but isn't the process of turning an area into a desert. Eliminate.
• Option D: Desertification is the process of land turning into desert (dry, barren), matching the Sahara's transformation.

Answer:

D. Desertification