{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

1

The same index fossil is found in rock layers A and B that are separated by several miles. What can you infer about the relationship between the rock layers?

Layer A is older than 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 probably contains more radioactive isotopes than layer A

1

Fossil A is older than Fossil B

Fossil A is 250 million years old

Fossil B is 200 million years old

Fossil B was formed 50 million years after Fossil A

1

2000

4000

6000

8000

1

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

1

10% of earth's history

90% of earth's history

All of the time after the dinosaurs extinction

All of the time since the Big Bang