Although _[blank]_ makes up 78% of the earth's atmosphere, it is not directly usable by most living organisms.
carbon dioxide
nitrogen gas
phosphorus
water vapor

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x albino a) all chinchilla b) 1/2 chinchilla, 1/2 albino c) 3/4 chinchilla, 1/4 albino

Wich of the following are manual restraint techniques for dogs

After a group of researchers conducts a new experiment that has never been conducted before, what is the best way for other scientists to make sure that the data is real