B since they are unrelated
Answer:
Hello,
I say A, would be the answer, because someone else is saying "Open your mouth wide for the dentist." This dialogue, not a sentence because someone is saying it.
Therefore, the answer is A, Open your mouth wide for the dentist.
Hope this helps! :)
-<em>Fishylikeswater</em>
Answer:
improving air quality :
1. keep it clean. a clean house may be a healthier house , because good indoor hygiene can greatly cut down on dust and animal dander
2. keep the greenery outdoors
3. change your filters
4. invest in an air purifier
5. let fresh air in
