A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons.
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the answer would be A hope it helps.
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Nucleic acids have the most control of traits and inheritance.
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Front the atmosphere that's from environment
