Answer: B- chemicals (changing pH)
Explanation:
Chemoreceptors in the bodies and archs that are sensitive to changes in carbon dioxide, oxygen, and pH.
Answer:
11 hours
5+8 is 13
24-13 is 11
A high risk of scurvy.
I think B
<u>Surveys are conducted to:</u>
<u>All</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>above</u><u> </u>