Amold spore has a negative impact on the respiratory system, and sinusitis Sinuses are a part of the upper respiratory system. Given these facts, what can have a negative impact on the sinuses in a body among the following options:
- mold spores
 - A virus
 - humid air
 - warm water
 - warm air
 - Pesticides
 - viruses
 - disease


 

 mold spores        