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<span>The correct answer is the first choice: ", her house bedecked in garlands of flowers," The sentence, therefore, should read, "Señora Alvarez, her house bedecked in garlands of flowers, waited excitedly for her guests to arrive." The inserted phrase is not necessary for the sentence to be grammatically correct, so therefore it is surrounded in commas, as an aside.</span>
Answer:
D. We traveled to the zoo, and to the aquarium.
Commas are used when two independent clauses are joined with coordinating conjunctions (For, And, Nor, But, Or, Yet, So).
Example: I wanted to play cricket, but I was not feeling well.
However, there are always exceptions to this.
Hope this helps:)
Observation is the process of gathering objective information.
