Answer:
The freshwater trout requires a lower salt ions to function.
Explanation:
those are nucleotides
since all three of them contain deoxyribose (because there's only one hydroxil group) they are DNA nucleotides
the first nucleotide has cytosine as it's nitrogenous base
the second nucleotide has adenine as it's nitrogenous base
the third nucleotide has thymine as it's nitrogenous base
They can slow their heartbeat down
Answer:
You are checking your carotid artery
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