emellypalacio11 emellypalacio11

02-01-2018
Chemistry

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worth 20 pt plz answer
why are the oldest parts of the ocean floor no older than about 200 million years old

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Awesomesuace21 Awesomesuace21

02-01-2018

Because of subduction, the plates constantly bump into and change each other. Even though the ocean is 4 billion years old, subduction constantly changes the bottom of the ocean. The oldest piece of sediment is only 180 million years old.. for now at least...

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