The answer is mitochondria
Answer:
The answer is A! Hope that I helped you and have a great day
Explanation:
Remember you are a very smart and special individual
I believe the example of an environmental variation in the above question is, A. Marge dyes her hair blue. Variation represents any difference between cells, individual organisms, or groups of organisms of any species caused by either genetic differences or by the effect of environmental factors. Environmental variation is the ability of an organism to alter its phenotype depending on environmental conditions.
Velocity is how fast the river is moving, the Volume is how much is in the river!
