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

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.