caintylar caintylar

25-10-2017
Biology

contestada

A group of scientists examined a meteorite from Mars and found a carbon-rich substance that is produced when microorganisms decay. They concluded that the meteorite provided evidence there was once life on Mars. Why is this an emerging idea?

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slowfast12 slowfast12

25-10-2017

Because this tells us that we were not alone and that we may not be alone.

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parkerannegriggs parkerannegriggs

01-10-2018

Other scientists disagree about the origin of the carbon-rich substance.

The scientists only studied one meteorite

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