Gravity is caused by the magnetic force between two objects. Gravity is very important. If there was no gravity, someone could easily float into space and any outdoor sport or activity would be ruined. Bur there would be and up side. Dropping anything would be easy to fix. Falling off a building would be nothing. Swallowing and digesting would not be affected. The moon's gravity effects the earth by pulling the tides. Gravity is slightly less at night. That is why I think gravity plays an important role in our lives.
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