a studen drops a solid piece of foam in boiling water. The piece of foam riss to the top of the container, gets pushed to the side, sinks to the bottom, and then rises again repeatedly

The excretory system,need answers for all: )

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

What type of context clue you understand the meaning of  quandary?