Which is NOT a source of emerging diseases?
A. viruses “jumping" from animals to humans
B. pathogens developing antibiotic resistance
C. rapidly evolving viruses
D. vaccines against polio, diphtheria, and tetanus

D

Explanation: A and B and C are completely worg becasue developing resistance to antibiotics only strengthens the ailment and the current situation with coronaviris is becuase a virus went from bat to pangolin and the reason we dont overuse medicine is to keep ailments from evolving because then the cure is useless hope this helps god bless

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms