What molecule forms the cell membrane? a. proteins b. carbohydrates c. nucleic acids d. phospholipids

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation:

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

you can't see the options

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

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