josephabraira1234 josephabraira1234

06-10-2020
Biology

contestada

Which statement explains something that the fossil record indicates?
Earth is 4.5 billion years old.
Mammals have always existed on Earth.
Mass extinctions have occurred several times on Earth.
The amount of water on Earth has decreased over time.

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hlofranco74 hlofranco74

06-10-2020

Answer:

Mass extincions have occured several times on Earth.

Explanation:

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haringalayna haringalayna

18-10-2020

Answer:

C. Mass extincions have occured several times on Earth.

Explanation:

took the test :)

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