A. they are drugs or hormones used to prevent osteoporosis
DNA, is like a blueprint of biological guidelines that a living organism must follow to exist and remain functional.
RNA, helps carry out this blueprint's guidelines.
It is pH. If you have a pH of 0-6 it is a acidic. If you have a pH of 7 it is neutral. If you have a pH of 8 or above it is a base.
