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The dinosaurs were extinct long before humans appeared on the earth. The dinosaurs were probably killed off when a giant meteor hit the Yucatan Peninsula in Mexico. The resulting debris from the impact that was put into the atmosphere, created conditions on earth, similar to a "nuclear winter". The dinosaurs could not cope with the sudden change to the earth's environment and died off.

Humans fish for sharks, but, not enough to bring about their extinction.

Sharks do attack humans, but, it's very rare and does not happen very often.

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13y ago

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