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Posts: 176
A month ago
This figure compares corn yield (how much corn is produced) in relation to the area of land from which the corn was harvested, for the United States and globally. Which statement, according to this figure, is true?



▸ The efficiency of U.S. production has decreased.

▸ Global production efficiency was greater prior to 1980 than since 1980.

▸ The efficiency of global corn production (yield per area) has increased more than efficiency in the United States.

▸ The efficiency of corn production (yield per area) in the United States has increased more than global efficiency.
Textbook 
Campbell Biology: Concepts and Connections
Edition: 8th
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A month ago
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The efficiency of corn production (yield per area) in the United States has increased more than global efficiency.
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