Every species has different timespans. Some butterflies live 6 months, other live 7 years. However, most of their time they are caterpillars or are in a coccoon. Up to 6 years
Because it is polar and it is to large to cross the membrane and because the concentration gradients are to strong so they have to be diffused.
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Answer:
A
Explanation:
I know this because I just took the test and got it right.