Using Punctuation: Commas to Set Off Nonrestrictive Modifiers. Commas are used to set off nonrestrictive phrases and clauses used as modifiers. Nonrestrictive phrases or clauses are those that are not essential to the basic meaning of the sentence. Roy, who is training to be a supervisor, is an asset to our service department.
The amicable spirit was brought down by Harper's fake adulation.
On point, understanding, and focused.
Answer:
C. Most uses for solar energy have already been adopted.
I believe
Explanation:
