B, Redundancy<span> is the grammatical error in the title. Using the words 'relationship between' and 'correlation' is redundant/unnecessarily repetitive. (Correlation is a mutual relationship or connection between two or more things).</span>
It’s a subcordanating conjunction
I belive its b but not sure because of the an
Answer:
ummmmmmmmmmmmmmmmm answers?
Explanation: