How could the climate of northern Africa support large amounts of crops like cotton and grains?​

Climate change may actually benefit some plants by lengthening growing seasons and increasing carbon dioxide. Yet other effects of a warmer world, such as more pests, droughts, and flooding, will be less benign. Under the HadGEM2 model, corn farmers will see crops decline by nearly 16 percent. ...

Explanation:

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the answer is blue river