Question

Which statements explain what the fossil record indicates? Check all that apply.

( )Earth is 4.5 billion years old.
( )Many organisms have become extinct.
( )Mammals have always existed on Earth.
( )Mass extinctions have occurred several times on Earth.
( )The amount of water on Earth has decreased over time.

Answer 1

options a, b, c may be correct

Answer 2

I believe these are the answers