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History, 20.11.2019 02:31 joedawg50

The phanerozoic eon is divided into eras based on:

a. evidence of mass extinctions or explosions of life

b. absolute dating techniques

c. the law of superposition

d. layers of rocks

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The phanerozoic eon is divided into eras based on:

a. evidence of mass extinctions or e...

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