12. Which of the following would have the least impact on primary productivity in the euphotic zone? O A. The emission of hydrogen sulfate along hydrothermal vents
OB. The release of nutrients from bacterial decomposers
O C. The availability of sunlight
OD. The availability of limiting nutrients

answer; /// i believe that the correct answer is; ///a combination of the birth and death

haploid cells;

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.

: -)

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