Question

I have no clue
If scientists determine the age of a rock to be three billion years old, what else do they know?

the rock came from outside the solar system

the rock was part of a comet

the Earth is at least three billion years old

the Earth is younger than three billion years old

Answer 1

Okay, well..what do you think?

Answer 2

A but im not trying to be wrong I need to pass

Answer 3

help!!!

Answer 4

What does the rock being 3 billion years old have to do with it coming from the outside of a Solar system? Hmm..
If I found a rock that is 3 billion years old, I'd know that the earth has to be AT LEAST 3 billion years old also.

Answer 5

@Destinymasha

Answer 6

I'm here.

Answer 7

oh so its C I thought it woyld of been wrong thanks so much " ~ "

Answer 8

Yes, and you're welcome (: