Which best explains heating by convection?
a. air molecules touch the warm ground, heating them up.
b. warm air rises and takes heat with it; eventually it cools and sinks.
c. sunlight travels through space without the aid of fluids or solids.
d. land and ocean absorb and re-emit heat from the sun.
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Which best explains heating by convection?
a. air molecules touch the warm ground, heati...
a. air molecules touch the warm ground, heati...
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