Answer:
most likely <em><u>A) stimulants</u></em>
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If this is correct, please mark me brainliest!
Answer:
B. progression
Explanation:
definition of progression:
the process of developing or moving gradually towards a more advanced state.
True, a protein is made up of amino acids. These amino acids form chains to become a protein, and are combinations of 20 different types in total.