Which of the following statements is NOT true?
A. The corn that we grow today has not changed...
Which of the following statements is NOT true?
A. The corn that we grow today has not changed since prehistoric times.
B. Early humans planted seeds from corn plants with large kernels.
C. It took many generations for corn plants to change.
D. Humans have selectively bred many different types of crops.
Answers: 2
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Different isotopes indicate that an element will have different numbers of
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How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?
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Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction
Answers: 3
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