Answer:
Exchange across cell membranes - diffusion. The higher the concentration gradient, the faster the rate of facilitated diffusion, up to a point. As equilibrium is reached the concentration gradient is much lower because the difference in concentrations is very small so the rate of facilitated diffusion will slow down and level off.
Explanation:
Answer:
Physical Properties
Explanation:
You are able to see physical properties but are unable to see chemical properties.
I think it’ll be option B.
The penguin has a sleek body that helps it to move quickly in water.