All of the following are infectious microorganisms (as opposed to microorganisms causing food-borne intoxication)except for:

A. Colstridium botulinum (botulism)
B. Norovirus
C. Salmonella
D. Shigella

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants

After expecting a loss in his family, simon cannot sleep and refuses to eat. what aspect of health is simon’s grief affecting? choose one physical mental social emotional

The centers for*blank* control and prevention safeguards americans from health, safety, and security hazards and threats.