What kind of macromolecule is water
a. carbohydrate
b. lipid
c. protein
d. nucleic acid

Lipid

Explanation:

unlike the other macromolecule, lipids are not defined by chemical structure. lipids are any organic nonpolar molecule

Gen·er·al·i·za·tion
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a general statement or concept obtained by inference from specific cases.

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the action or process of observing something or someone carefully or in order to gain information.