Answer:
I think the answer is C. between 6.5 and 7.5 because cells usually have a ph between 7.0 and 7.4
Explanation:
<span>The answer is an
allergy. The allergy could cause the eyes
to be watery and to itch, sneezing and coughing, and a runny
nose. This is as a result of the mold fungi releasing numerous spores in the
air that enter the airways. Allergy is an immune response to the foreign bodies (spores) that have entered your
body. </span>
What ^ he/she said! Hope you have a good day :)
In a closed ecological system, any waste products produced by one species must be used by at least one other species. If the purpose is to maintain a life form, such as a mouse or a human, waste products such as carbon dioxide, feces and urine must eventually be converted into oxygen, food, and water.
