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Earth Sciences 11 Online
OpenStudy (anonymous):

PLEASEE HELP ME , I WILL MEDAL Fossils in early earth history are rare, while there are many fossils in rocks from the Phanerozoic eon. What does this evidence suggest? Question 7 options: A. There was no life prior to Phanerozoic. B. There was a major change in the diversity of life in the Phanerozoic eon. C. The rocks from the Phanerozoic eon are much harder than those from other time periods. D. There was no change in the diversity of life in the Phanerozoic eon.

OpenStudy (anonymous):

@CaptainFluffy

OpenStudy (captainfluffy):

i would say C

OpenStudy (captainfluffy):

1 sec

OpenStudy (anonymous):

ok

OpenStudy (captainfluffy):

yea C This is because many Precambrian rocks have been heavily metamorphosed, obscuring their origins, while others have been destroyed by erosion, or remain deeply buried beneath Phanerozoic strata.

OpenStudy (anonymous):

thank you

OpenStudy (captainfluffy):

anytime

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