What Should a Nurse Understand About Respiratory Problems in Rural

What should a nurse understand about respiratory problems in rural agricultural areas of Canada?

A) Better air quality in rural agricultural areas decreases the incidence of respiratory illnesses.
B) Healthy lifestyles in rural areas usually allow respiratory illnesses to resolve without treatment.
C) Incidence of respiratory illnesses in rural areas is significantly higher than in urban areas.
D) Respiratory illnesses in rural areas are usually caused by zoonoses.