Physics

22 April, 11:14

Which of the following is the best example of a proper hypothesis?

1. I think there is no effect on hearing if you listen to loud music only three hours a day.

2. If two objects are dropped at the same height, the heavier object will hit the ground first.

3. Children who wear backpacks do better academically.

4. Orange popsicles taste sweeter than grape popsicles.

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