mood swings, sadness, elevated mood, anger, anxiety, apathy, apprehension, euphoria, general discontent, guilt, hopelessness, loss of interest, or loss of interest or pleasure in activities
Stay home and stay safe until outside conditions improve.
It would be B or C. I'm SURE it would be C though.
"A" means to cause air to enter and circulate freely in (a room, building, etc.), which fire NEEDS air in order to be alive, so that would be BAD. "D" is saying to store guns in locked cabinets... which doesn't really make sense.
Answer:
engine exhaust, domestic heating, volcanic eruptions
Explanation:
