classify the underlined part of the following sentence by the type of phrase or clause it is.
obsidian, which was used by early man to make arrowheads is a naturally occuring glass
A.essential adverb clause
B.nonessential adjective clause
C.nonessential adverb phrase
D.essential adjective phrase

Question

classify the underlined part of the following sentence by the type of phrase or clause it is.
obsidian, which was used by early man to make arrowheads is a naturally occuring glass
A.essential adverb clause
B.nonessential adjective clause
C.nonessential adverb phrase 
D.essential adjective phrase

anonymous · Answer

sorry im taking long im just doing research so i can give the right answer :)

anonymous · Answer

i think its A :) what do you think?

anonymous · Answer

i think thanks ;)