The answer is going to be D.
I do belive hope this helps
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The answer is A which is CH4.
We should suction the airway.
This is because the thick mucus and secretions should be removed from the trachea.
Animals store glucose in the cells and muscles and excess glucose is stored in the liver as glycogen.
I'm pretty sure it's primary growth. I might not have studied this type of biology yet, but secondary growth would definitely not be the answer.<span />