What two things can happen as phytoplankton mature?

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.

: -)

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

cells spend most of their time in interphase

1) a

2)c

3)a

4)c

5)b

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