The body gets rid of lactic acid in a chemical pathway that requires a. carbon dioxide . b. oxygen . c. amino acids . d. hydrogen

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

What are the genotypic and phenotypic ratios