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Taya2010 [7]
3 years ago
14

2. The ______________ is a semipermeable membrane that forms a boundary between the cell and the external environment.

Biology
2 answers:
poizon [28]3 years ago
6 0
The cell membrane is the answer hope I. Helped
Natalija [7]3 years ago
4 0
I think it is C. Vacuole 
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The dependent variable is the factor that is based or depends on the independent variable and measured to see the effect which is the height of the plants in this case.

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