Question

which of the following is most likely to be a health effect of air pollution?
cholera
asthma
giardia
kidney damage

Explanation:

Cholera is caused by contaminated water/food (bacteria in water), giardia is a water - borne parasite, and kidney damage has more diverse causes not directly linked to air pollution. Air pollution (like particulate matter, pollutants) irritates respiratory systems, and asthma is a respiratory condition often exacerbated by air pollution.

Answer:

B. asthma