What percent of Earth’s fresh water is surface water available for human use? A)

about 1%

B)

about 7%

C)

about 50%

D)

about 97%

E)

about 99%

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Someone me with this: a mineral' is determined by its actomic structure.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?