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Fossils in Precambrian rocks are rare, while there are many fossils in rocks from the Phanerozoic eon. What does this evidence suggest? A. There was a major change in the diversity of life in the Phanerozoic eon, probably due to mass extinction. B.There was no life in the Precambrian eon. C.The rocks from the Phanerozoic eon are much harder than those from the Precambrian eon. D.There was no change in the diversity of life in the Phanerozoic eon.

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HomertheGeniusid
The Phanerozoic eon is the eon of visible life. It started about 541 million years ago. It represents only 1/8 th of the time since Earth`s crust formed. Precambrian eon is older : it extends from 4.6 billion years ago to the Phanerozoic eon. Fossils in the Precambrian eon are rare. In the late Precambrian eon evolved the first multi-cellar organisms.
Answer:
B. There was no life in the Precambrian eon.

Jrv1790688id

Answer:

Fossils in Precambian rocks are rare, while there are many fossils in rocks from the Phanerozoic eon. What does this evidence suggest?

A. There was no life in the Precambian eon. wrong

B. The rocks from the Phanerozoic eon are much harder than those from the Precambrian eon. Wrong

C. There was no change in the diversity of life in the Phanerozoic eon. wrong

D. There was a major change in the diversity of life in the Phanerozoic eon. right

the answer is

D. There was a major change in the diversity of life in the Phanerozoic eon.

Explanation: i just took the test and my answer was A and it was wrong and i was told the answer is D so in the end the unit test said the right answer is D

Also sorry if am late

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