Which is one piece of information that "9” gives about an atom of fluorine?

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

All phases of matter may have a fixed mass