Answer:
Water moves across cell membranes by diffusion, in a process known as osmosis. Osmosis refers specifically to the movement of water across a semipermeable membrane, with the solvent (water, for example) moving from an area of low solute (dissolved material) concentration to an area of high solute concentration.
Explanation:
Answer:
Polar bears that are forced to live on land due to melting ice face lean times in most of the Arctic. Food found on land, such as berries and eggs, lack the high fat content and calories of the bears' preferred prey.
Explanation:
C..........................................................................................................................................
I think the answer is D because respiration releases energy.
