Marvin blows up a balloon but lets go of it. the air inside is released and the balloon goes up into the air. what best describes what happens? a) gravity pushes the balloon into the air. b) drag is caused by contact of the balloon with the air. c) lift lowers the air pressure on the top of the balloon. d) the air pushes the balloon in the opposite direction.
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Marvin blows up a balloon but lets go of it. the air inside is released and the balloon goes up into...
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