European farmers learned that if they planted potatoes instead of __________, about four times as many people could live off the same amount of land. a. corn c. wheat b. rice d. rye

European farmers learned that if they planted potatoes instead of __________, about four times as many people could live off the same amount of land.

a.
corn
c.
wheat
b.
rice
d.
rye

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European farmers learned that if they planted potatoes instead of __________, about four times as many people could live off the same amount of land. a. corn c. wheat b. rice d.…

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