The atom in r-12 is believed to break off in the upper atmosphere and attack ozone molecules. a. chlorine b. ultraviolet c. fluorine d. oxygen

How does science influence the decisions made about social, economic, and political issues?

Every early childhood education program should develop a

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.