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2006-12-03 14:24:33 · 2 answers · asked by Anonymous in Science & Mathematics Biology

2 answers

body heat

2006-12-03 14:25:52 · answer #1 · answered by iidibitizi 3 · 0 0

Friction. Even with air there is friction.

2006-12-03 22:32:51 · answer #2 · answered by Floyd B 5 · 0 0

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