Air<span> first </span>enters<span> your body </span>through<span> your </span>nose<span> or </span>mouth, which wets and warms the air<span>. </span><span>The </span>air<span> then </span>travels through<span> your voice box and down your windpipe. The windpipe splits into two bronchial tubes that </span>enter <span>your lungs.
(hope that helped )
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Answer:
The Krebs cycle begins when acetyl-CoA combines with a four-carbon molecule called OAA, which produces citric acid.
Explanation:
This explains why the Krebs cycle is also called the citric acid cycle. In fact, the Krebs cycle is only named "the Krebs cycle" after its discoverer, Hans Krebs. It is additionally regarded as the tricarboxylic acid cycle.
The answer is b. is under purifying selection
Genetic divertion occurs with reproductive isolation
D. Photosynthesis stops at night.