Proteins consist of one or more polypeptide chains. Each polypeptide chain consists of smaller sub-units or amino acids that are linked together. Amino acids serve as the building blocks of polypeptides, and polypeptides serve as the building blocks of proteins
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Answer:
Sentence 3 has a capitalization error since "Grand Canyon" is not capitalized
Someone who can rely on one another and trust them.
Answer:
I would need the poem to help
Explanation: