If you use a punnet sq. and cross the parents you see that all the children should be affected. by this thing represented by black.
Answer: Austyn's heart rate is up quite a bit compared to Shanice which means either he was working out harder or since he's a male he has a larger heart which need more blood through the body. The heart rate is affected by how hard you work out? The size and possibly the condition of your heart?
Explanation:
The answer you are looking is the carbon cycle.
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