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.
Answers: 2
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An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?
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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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