Test Review: History of Earth - Heidi Cooley | Biblioteka

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Which of the following statements represents the absolute age of the subject?

Fossil A is older than fossil B

Fossil C is 50 million years old

Fossil D is older than the last mass extinction

There is no way of determining absolute age

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Layer A is older than layer B

The sediments in layer B were deposited before those in layer A

Layers A and B are probably about the same age

Layer B contains more radioactive isotopes than layer A

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A

B

C

D

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2000

4000

6000

8000

1

along the edges of the continents

at the north and south poles

along the mid-ocean ridge

in deep ocean trenches

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Evidence from fossils

Evidence from human remains

Evidence from landforms

Evidence from climate