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Mexicans helped crops grow by using the following irrigation techniques except
A. Dam up a waterway
B. always planted the same crop in the same place to use as little water as possible
C. Dog trenches to move the water to the fields
D. Poke holes in the dirt to allow the water to travel to the next square
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Mexicans helped crops grow by using the following irrigation techniques except
A. Dam up a waterway...
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