The answer is cell membrane.
Answer: The answer is 84 ways
Explanation: A house with a square floor plan is to have each of its outer four walls fin- ished with brick, stone, stucco, or wood. However, If no two adjacent outer walls are to have the same finish, there are 84 ways the house walls will be constructed. One of such way is brick on the front and back and also stone on the left and right.
Answer:
Explanation:
There both different but they also have a few similarities
The answer is c,
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