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Two important underlying principles of the NIMS are flexibility and standardization.
The molecules doesn't need energy to cross through.
The diffusion doesn't need protien, the molecules pass between phospholipids by passes protien. It moves smaller molecules. Facilitated need protien also hormone, and larger molecules.
I wish it makes sense.
Cause waters wet so the acid from the water is not dry
Jet streams are fast moving air currents much like how a river is a fast moving water current so the answer is jet streams.
If they are both albino there is no chance for them to have any other skin color because it is not in their genes. The phenotype gene is always going to be albino.