I think it’s B
Sorry if I’m wrong
Hope u do well :) ik this maybe hard but you’ll get through it , the answer is D !
Answer:
The muscular and nervous systems enable the involuntary breathing mechanism. The main muscles in inhalation and exhalation are the diaphragm and the intercostals (shown in blue), as well as other muscles. Exhalation is a passive action, as the lungs recoil and shrink when the muscles relax.
Explanation:
Carbon tetraiodide is a chemical compound with the formula CI4.