How have people in North Africa modified the environment to make it more suitable for farming? A. They have constructed terraces on mountainsides to create more farmland. B. They have used slash-and-burn agriculture to enrich the soil. C. They have imported crops that grow well in a dry environment. D. They have used irrigation to carry water from rivers to crops.

D. They have used irrigation to carry water from rivers to crops.

Explanation:

This is one of the main ways in which people in North Africa have modified their environment to make it more suitable for farming. One of the main difficulties of farming in North Africa is the fact that the environment in this area is quite dry. Therefore, in order to deal with this problem, farmers in this area have been able to use irrigation as a way to carry water from rivers to crops.

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