Why is there two ways to classify the layers of the earth?

There is more to the Earth than what we can see on the surface. In fact, if you were able to hold the Earth in your hand and slice it in half, you'd see that it has multiple layers. But of course, the interior of our world continues to hold some mysteries for us. Even as we intrepidly explore other worlds and deploy satellites into orbit, the inner recesses of our planet remains off limit from us.

Explanation:

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answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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: d

-charlie

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: d

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b