The answer is A.
Temperature changes when salt is in water, therefore the water will become more livable and suitable to those fish .
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~Brooke❤️
Bacteria does not contain membrane boung organelles therefore are prokaryotic and I also know they are unicellular. and they are definitely not multicellular so the answer is : c
The genetic change in a population or species over many generations is evolution. Whether it be physical or mental increase.