When antibiotics belonging to the penicillin family were first used, they were very effective against the bacterium, Staphylococcus aureus. Now MRSA, methicillin-
resistant Staphylococcus aureus, is becoming a national health problem. Which
statement best explains the development of MRSA?

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Two critical interventions to turn around the opioid crises are:

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time