Answer:
you inhale oxygen and exhale carbon dioxide.
hope this helps and please mark brainliest :)
The answer is c because if you treat the sewage water than you that means that the water will be clean so it prevents diseases
Nyctalopia
Nyctalopia is the condition of night blindness characterized
by inability to see clearly at night or in dim light and the ability to see
clearly in the day. Deficiency of vitamin A leads to nyctalopia. Other possible
causes of Nyctalopia include myopia, cataract, retinitis pigmentosa and some glaucoma
medications.
