The air in Greg's house is like the cytoplasm of a cell because it is the gel-like material that surrounds the other parts of the cell.
Hope this helps! :)
The answer is B.
If you put one plant in wet soil, and one plant in dry soil, you can prove or disprove your hypothesis as the plants grow.
I think the largest amount of total body water is found in the:
D. Intracellular Fluid
According to the Wikipedia, it is stated that 70% of body water is intracellular.
