Question

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

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

Answer 1

all are correct except E

Answer 2

Actually all the four options above are correct which fossil records indicate;

A) by the carbon test of fossils we came to know that some of them are billions in age,which confirms earth is 4.5 billion old.

B) researchers and scientists found many fossils of different organisms way which doesn't exist in present time, which prooves that many organisms extincted long ago

C)nearly earth's age old fossils of mammals were discovered which clarifies that mammals always existed

D)fossils of dinosaurs proove that mass extinction happened several times before.

E) different fossils of water organisms found in land side which prooves that there was water long ago,and the level of water is decreasing day by day