Mathematics, 12.03.2021 19:50, ashleyy80

Between 1930 and 2012, what was the increase of the American farmer's ability to feed people without changing the amount of land used? It increased by about 5 times

It increased by about 20 times.

It increased by about 15 times.

It increased by about 10 times.

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Between 1930 and 2012, what was the increase of the American farmer's ability to feed people without...