People maintain their steady internal body temperature by:
A) Producing exactly the amount of heat needed to maintain body temperature.
B) Producing more internal heat than needed and expelling the extra heat.
C) Adjusting our internal temperature to the surrounding conditions.
D) Sunning ourselves on radiant surfaces.
B
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A. 1, B. 10, C. 100, D. 1,000,
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Friction is the use of a lever and fulcrum to create mechanical advantage.
Answer the following statement true (T) or false (F)
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What will be an ideal response?
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