Blood is buffered within a narrow range around a ph of 7.4. this means that the ph of blood will remain close to 7.4 when
moderate amounts of acid or base are added
moderate amounts of base, but not acid, are added
moderate amounts of acid, but not base, are added

What effect does nuclear radiation have on atoms?

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral