Read the following sentence. sea glass is perhaps the only beautiful thing that can come from litter. determine whether the underlined group of words is a phrase or a clause, then determine if it is essential or nonessential.
Aphrase, nonessential
Bclause, nonessential
Cphrase, essential
Dclause, essential
Aphrase, nonessential
Bclause, nonessential
Cphrase, essential
Dclause, essential