Biology, asked by ramirezmendozaluis12, 7 months ago

What determines the length of a geologic time period? 1.)fossil record 2.)material density 3.)meteors and rocks 4.)radioactive materials

Answers

Answered by blessyvictoriagideon

2

Answer:

1st option

Explanation:

fossil record

Answered by 0o2

1

Answer:

A.

Explanation:

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