3.What are the functions of vacuoles, lysosomes, and the
cytoskeleton?

Vacuoles store materials like water, salts, proteins, and carbohydrates. Lysosomes break down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell.

Explanation:

hope this helps

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///