Critical Reading > Sentence Completions

Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.

While a “rock” is usually defined as ------- , or a combination, of one or more minerals, geologists often ------- the definition to include such materials as clay, loose sand, and certain limestones.

(A) a conglomeration . . limit

(B) an aggregate . . extend

(C) an element . . eliminate

(D) a blend . . restrict

(E) a product . . provide 

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