I think its true because the tornado is caused by the clouds.
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.
I believe the anwser you are looking for is the
Cell Membrane.
It is a substance that lets things in and out of the cell
the points that are on the graph
A nucleus is the control center of a cell.
