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Taya2010 [7]
4 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]4 years ago
6 0
The cell membrane is the answer hope I. Helped
Natalija [7]4 years ago
4 0
I think it is C. Vacuole 
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3 years ago
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artcher [175]
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Other choices are:
</span>
<span><span>b. less access to medicine </span>

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New source of fresh water </span>would most likely increase the carrying capacity for humans in a certain region. Water plays many important roles in the ecological and environmental systems, and also in humans. In cellular activities and organismic activities, water is used primarily.
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3 0
3 years ago
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