A) is your best answer.
Relative Dating gives the 'relative dating', which allows one to find the difference of age between many different of fossils. However, radioactive dating is used to get a more exact measurement of a fossil, but it can only be used for certain types of fossils.
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Explanation:
This is because the Genes of the parent that is transferred to Kai and get her parents features .
So, that's why her features are similar to her parents features and they do not appear to be identical .
A Boundary Is A Line That Marks A Limit Of Space. So If You Live In A Neighborhood, Then There Would Be Fences, And That Would Be A Boundary line. It Marks Space And Divides Space. Hope That Helps.
The remains of a dead organism