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Answer: It loses electrons to another element.
Explanation:- Oxidation is the process in which an element loses electrons and there is an increase in the oxidation state. On losing electrons it combines with a electronegative element such as oxygen, sulphur or nitrogen etc.

Reduction is the process in which an element gains electrons and there is a decrease in the oxidation state.

Amino acids are the basic parts of proteins
Quantitative observations include numerical data. Ex: 32 degrees, 10 inches, etc.
Answer:
the 6 stands for the atomic number
the 12.01 stands for the atomic mass