22-09-2018
Biology

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what will be the effects if asteroid or comet hits the earth

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rkatharineb rkatharineb

22-09-2018

If the comet were to strike the planet, the impact energy would be about 300 times that of the asteroid collision that was thought to have caused the Cretaceous-Tertiary extinction that killed the dinosaurs about 65 million years ago.

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