Answer:
A
Explanation:
The Sahel is a desert and it is getting bigger.
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Desertification is an environmental problem that is most associated with the African Sahel. Hence, option A is appropriate.
What is the meaning of Desertification?Desertification is a form of dryland land degradation in which biological productivity is lost as a result of innate processes or as a result of human-induced activities, causing productive areas to become a rider and arider.
Desertification is the process through which grasslands and shrublands in drylands, also known as arid and semi-arid lands, decline and eventually vanish. Desertification can be attributed to two main factors: climate change and human activity.
Drylands are degraded by desertification. It entails the decline of croplands, pastures, and woods' biological economic productivity, and complexity. Climate variability with unsustainable human activity is the main cause.
Four levels of desertification—slight, moderate, severe, and extremely severe—have been utilized as the basis for the classification system used to create continental desertification maps.
Hence, option A is appropriate.
Learn more about Desertification here:
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How were the Sumerians able to create a surplus of food?
Answer:
Digging of irrigation canals to irrigate their fields allowed for growing better and more crops. food surpluses allowed people to do other work than farm. this meant that they had enough food to survive in extra to trade with.
Explanation:
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