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.

D) The air pushes the balloon in the opposite direction.

Explanation:

When the balloon bursts the air pushes the balloon in the opposite direction to the air that was released from inside the balloon. This is because of the difference between the atmospheric pressure and the pressure that was inside the balloon. When the balloon bursts, the pressure gradient causes a force that causes the air inside the balloon and the balloon to be pushed in opposite directions.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

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