Answer:
if the water is polluted then fish and water life will die and plants near by will be affected and could also die as well. its like acid rain its not good for the environment.
Explanation:
In my past learnings, Sample size is no. of units in a population that need to be studied. The number of units can include animals, persons, or any specific or specified circumstances. Hope this helped..!
I would say A just because if your dad has a genetic disease and you mom does not have it you have about a 50 50 chance of having that disease in a perfect control that's assuming that its recessive and that your moms side does not present this disease
that's how its always been taught to me
