Answer:
its Infectious agent .
I hope its right if not an advance sorry .
Since smokers are not allowed to smoke within restaurants, office buildings, airports, schools, and many other places, far fewer people are being exposed to secondhand smoke. People with asthma and allergies to cigarette smoke are now able to breathe more easily as well. Children are no longer being exposed to secondhand smoke in spaces outside of their homes.
Answer:
D) virus is the correct answer
Explanation:
Explanation:
The answer to this question is pathogen