Question 9 of 10 Which elements are in the substance that makes up about 60% of the male
human body?
A. Carbon and phosphorus
B. Phosphorus and nitrogen
C. Hydrogen and oxygen
D. Calcium and oxygen
SUENT

Which characteristics are typical of a human population in the postindustrial stage?

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because

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