It basically allows them to see what time period it is from or from where it is from (they predict from the age). It also allows them to arrange geological events more accurately depending on where the rock was found.
Answer:
I think it is C. Carbon source
Explanation:
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A. The Deepwater Horizon
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That the object can't go back to what it looks before
Fronds are basically the leaves of plants like ferns or palms. Hope this helps!!
