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lord [1]
3 years ago
6

As farmers use the land, it often changes from arable land to desert. This process is known as

Geography
2 answers:
SSSSS [86.1K]3 years ago
8 0
B.) Desertification
tatiyna3 years ago
5 0
B  Intensive farming depletes the nutrients in the soil.  That's why we are suppose to rotate crops and give the land a rest every 7 years. 
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However, at night, dissolved oxygen may decrease to very low levels as a result of large numbers of oxygen consuming bacteria feeding on dead or decaying algae and other plants. Eutrophication – “The process by which a body of water acquires a high concentration of nutrients, especially phosphates and nitrates.

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Hope this helps :)

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