Is this sentence essential or nonessential ? one theory exists that might explain the large number of blind musicians worldwide.

i say essential becuase Essential and Nonessential Adjective Clauses. Remember that an adjective clause is a dependent clause that acts like an adjective in the sentence. This means that it gives more information about a noun or pronoun in the sentence. Sometimes the information given by the adjective clause is essential.

i think the answer is c

step-by-step explanation:

hello!

(x,y)=(150,300)

300 adult tickers were sold!

good luck!