Answer:
There are two types of cell membranes. Either open or closed. Open is when other particles can get in or out. Closed is the opposite.
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Answer:
A portion of an aquifer that contains rock material that does not allow water to penetrate; often forms the base of unconfined aquifers and the boundaries for confined aquifers.
The answer is C, the galaxies are moving farther away.
Food is the answer it’s that simple appreciate this sn I really don’t know I’m sorry ...
