I believe the correct answer is A
Hydrogen and oxygen which makes up h2o / water
<span>Correct Answer: The most important factor for regulating respiratory rate is the level of CO2 in the blood.</span>
Answer:
d. the diver holds his or her breath during a rapid ascent
Explanation:
Air embolism is a medical condition characterized by air or gas bubble in the bloodstream which can be fatal and cause variety of problem.air embolism associated with diving occurs if arterial gas reaches the brain when a diver surface too quickly and the diver holding breath can cause air trapped in the lungs to expand.
B. A b and d are eukaryotic
