Convection is a
A. mode of heat transfer that carries heat from Earth's core toward its surface.
B. form of insulation that maintains Earth's internal temperature.
C. mode of heat transfer that circulates heat within Earth's mantle.
D. form of heat transfer restricted to Earth's interior.
Answer: A
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Which of the following countries created a policy aimed at stabilizing populations by urging couples to have only one child?
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Indicate whether the statement is true or false