Heat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming that the body shape of an animal is at least somewhat spherical, a considerable decrease in body size would _______ the surface area-to-volume ratio, and the ability to exchange heat with the environment would _______.     A. increase; increase   B. increase; stay about the same   C. increase; decrease    D. decrease; increase    E. decrease; stay about the same

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