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.
Answer:
I think it's D, but it could be B.
Explanation:
Sedimentary, because of the glaciers that once covered Indiana they lithified which is a part of the rock cycle in the sedimentary division.