The answer to this question is : D.
Answer:
Amino acids
Explanation:
The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain
Answer:
There are five traits that have a link to personality: extraversion, neuroticism, agreeableness, conscientiousness and openness.
Explanation:
Considering that personality is related to psychology, that is probably the answer.