Humans utilize a surprisingly small number of food crops; over 80 percent of the calories consumed by people are produced by
A) wheat and rice.
B) corn and potatoes.
C) sweet potatoes and manioc.
D) the above crops combined
Correct Answer:
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Q13: Although an individual may consume enough calories,
Q14: Humans have historically obtained food from which
Q15: Which of the following is not true?
A)
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Q19: In today's world which of the following
Q20: Meeting food demands for the future will
Q21: Plant breeding has been utilized for centuries
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Q23: _ farming avoids the use of synthetic
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