The contractile vacuole expels excess fluid from the cell.
The correct answer is natural selection. C is the answer!
Bacteria has a stronger resistance that usually produces even more resistant bacteria, and the cycle just repeats itself, making more and more resistant bacteria. This process is called Natural Selection.
Hope that helped!
-Chris
Manzanilla, hinojo, menta puperita, melisa, regaliz, jengibre
I think the correct answer from the choices listed above is option A. For metamorphism to occur, the parent rock must be in solid form. Metamorphism is the alteration of the structure of a rock by factors like heat and temperature so it must be the material should be in solid form.
carbon, the fundamental component for all the macromolecules.
