Answer:
Usually there are 18 holes
Explanation:
Um hope this helps? ;w;
the surroundings or conditions in which a person, animal, or plant lives or operates.
sources:https://www.google.com/search?q=what+is+enviorment&oq=what+is+enviorment&aqs=chrome..69i57j0l5.4423j0j7&sourceid=chrome&ie=UTF-8
The pathogens that cause the common cold are viral pathogens.
