When the ph of the extracellular fluid declines, the kidneys?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as