A limestone bed containing fossils that are 550 million years old is ____ a bed of sandstone containing fossils that are 400 million years old.a.younger thanc.older thanb.the same age asd.not related to

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Revolt · Accepted Answer

C

Relative Ages of Rocks

A limestone bed containing fossils that are 550 million years old is ____ a bed of sandstone containing fossils that are 400 million years old.a.younger thanc.older thanb.the same age asd.not related to

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