The answer is TRUE. Research indicates that marijuana smoking exposes the subjected to 75% more benzanthracene than tobacco smoke. Additionally, marijuana smoke has 50% more benzopyrene, 3-5 times higher aromatic amines and nitric oxide than tobacco smoke. Some research also indicate that marijuana smoke has 20 times more ammonia than cigarette smoke.
the answer is C.
Plants use atmospheric CO2 through photosynthesis
Sixty six is D and sixty seven is A
