Hair and nails are part of the system

In the water cycle , when does water undergo a chemical change

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper