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Geochemical evidence indicates that about ______ years ago an abrupt planet-wide warming happened.

80 million

1.2 billion

55 million

56,000

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taskmasters
I think the correct answer from the choices listed above would be the third option. Geochemical evidence indicates that about 55 million years ago an abrupt planet-wide warming happened. Hope this answers the question. Have a nice day.

Answer:

Option C, 55 million years ago

Explanation:

It was during the Late Paleocene Thermal Maximum (LPTM) when the earth became extremely hot. This period occurred some 55 million years ago. During LPTM, the temperature of the earth rose by some five to eight degree Celsius over and above the normal temperature during the summer season. This temperature change occurred during the epoch of Paleocene and Ecocene.

Hence, option C is correct.

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