Answer and I will give you brainiliest

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What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

How many major plates cover the earth

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates