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.

Question

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.

anonymous · Answer

I think it's A but I'm not 100% sure

anonymous · Answer

A       There was a major change in the diversity of life in the Phanerozoic eon, probably due to mass extinction.

anonymous · Answer

you are 95%right @alynck

anonymous · Answer

@sikinder thank you so much again!!

anonymous · Answer

ur always welcome @alynck