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Which of these is a reason that supports the idea that an astroid may have hit the earth along time ago

A: scientist found a video of the astroid it was taken in the past

B: fossils of astroid remains were found in the rocks

C: Iridium was found in a rock strata on earth. Iridium is usually found on astroids

D: people who lived back then saw the astroid and wrote about it

Answer :

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The asteroid impact theory is supported by quite a bit of evidence. For example, the fossil record shows that dinosaurs went extinct very suddenly. This is more consistent with a major disaster like an asteroid impact than it is with a gradual change in climate or volcanic activity. Your welcome

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