Disease-causing microbes have a negative impact on the body, and microbes are also called microorganisms. Given these facts, what has a negative impact on the body among the following options:
- disease-causing microorganisms
 - air
 - water
 - wind and erosion
 - food
 - smallest agents of disease
 - exposure to cold
 - influenza orthomyxoviruses


 

 disease-causing microorganisms        