According to Vavilov and generally confirmed by later archaeological studies, which of the following is not a major center of origin for cultivated plants?
A. Turkey-Iran
B. United States-Canada
C. Mexico and Central America
D. central China
Answer: B
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A. voltmeter B. ammeter C. ohmmeter D. oscilloscope
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Answer the following statement true (T) or false (F)
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Indicate whether the statement is true or false
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