Answer:
the process by which fertile land converts into desert
Explanation:
Desertification occurs<span> due to a decrease in vegetation. This can </span>happen<span> naturally due to a drought or can be caused by human activities. The lack of plants can cause changes to the land. Plants help shade the soil, so when plants are removed, the soil will be exposed to the sun and will dry out more quickly. So, I would say C. An area of forest is clear cut.
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It was once a body of water there, having the shell in the rock means that a sea creature lived there so there must have been water there at one time in history.