Give me a one minute
To answer your question
Because your question is
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Answer:
D) Two parts of a skeleton meet
Explanation:
mark me as brainliest pls
Answer:
frequency of action potentials
Explanation:
A is the right answer because it is.
An amino acid is an organic molecule that is made up of a basic amino group (−NH2), an acidic carboxyl group (−COOH), and an organic R group (or side chain) that is unique to each amino acid.