Using the principles of cross-cutting relationships, you can determine the relative age of rocks found in the ground. The idea behind it is that the geologic feature which cuts another is the younger of the two features, and it had been around for 400 years. It's not very precise but it is good for determining relative age.
Answer:
how old the star is
Explanation:
because starts existed before any human beings walked the earth
hope i helped
The seismic wave can tell the scientists about the earth's layers.<span />
Radiometric dating should be what they use
<span>Answer:
Mercosur try to improve trade in South America by expanding trade, improve transportation, and reduce tariffs among member countries.</span>
