What are the four common layers of the earth?

Hey there!

The 4 common layers of the Earth is/are

But, if you are going by that picture that is shown, (probably most likely your )

Good luck on your assignment and enjoy your day!

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before it leaves the nucleus of a eukaryotic cell, mrna is altered in the following ways: - a cap is added to the 5' end of the mrna molecule; - a poly a tail is added to the 3' end; - introns are removed and exons are spliced together.

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)