A mold spore has a negative impact on the respiratory system.
Sinusitis sinuses are a part of the upper respiratory system.
Mold spores can have negative impact on the sinuses in a body.
What can have a negative impact on the sinuses in a body?
Options:
1) mold spores
2) A virus
3) humid air
4) warm water
5) warm air
6) Pesticides
7) viruses
8) disease