Tonic Pressure is the pressure exerted by water moving during osmosis. Tonic pressure occurs when two solutions are separated by a semi-permeable membrane, allowing for the solution to go through.
I think A but you should double check with some one else.
First answer is correct. Eutrophication can have serious effects, like algal blooms that block light from getting into the water and harm the plants and animals that need it. If there's enough overgrowth of algae, it can prevent oxygen from getting into the water, making it hypoxic and creating a dead zone where no organisms can survive.
The natural succession of a small farm pond will tend to make the pond more likely to freeze solid in winter time,the nature of things helps them to merge more quickly and adapt to their environment.
Answer:
b. thymine I believe but if needed looking it up should be no problem
Explanation:
g-c
a-t