sriramiitr wrote:
damyanti wrote:
D seems to be most parallel, since it says "reducing", "relaxing" and "regulating". Seems quite straightforward.
My confusion is with the usage of the comma before ''and''. "...relaxing the brain, and...".
Is it correct to add a comma before"and".
When we introduce a list of items[INDEPENDENT CLAUSES] in which each item is separated by comma, we put a comma before 'and' after which we introduce the last item of the list.
you can find further
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