Answer:
C. Salmon living in the wild experience fewer diseases than salmon raised in fish farms.
Step-by-step explanation:
The correct testable hypothesis for an experiment comparing the health of salmon raised in fish farms to salmon caught in the wild would be:
C. Salmon living in the wild experience fewer diseases than salmon raised in fish farms.
This hypothesis specifically states a comparison between the health of salmon in the two environments and makes a claim about the prevalence of diseases. It can be tested by conducting a study and comparing the incidence of diseases between salmon from fish farms and those caught in the wild.