Answer:
C. Charged, polar, or non-polar
Explanation:
Amino side chains, also called R groups, are classified into the categories of charged, polar, and non polar.
These classifications can be determined by the structure and elements within the R group/functional group.
If there’s a all above answer on it it’s all of them
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Answer:
Study and believe in yourself,don't give up!
A geologist studies rocks and such
