Which sentence correctly uses a coordinating conjunction? a)we listened to the rhythmic sound of the waves as we walked along the beach. b)the sun peeked from behind the clouds while the gulls flew overhead. c)shiny seashells dotted the sand; and, i placed one in my pocket. d)the sandcastle stood far from the tide line, so it was safe from the waves

Coordinating conjunctions connect two or more independent clauses, words or items which have the same equal importance. In the first option we cannot observe it. Here as is used as a subordinate conjunction. The same applies for the second option. In the third option, we can observe a coordinating conjunction, but the structure of the sentence doesn't make it to have this definition. Therefore, the only correct answer is D.

The Answer is D) The SandCastle stood far from the tide line so it was safe from the waves.

Explanation:

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- a.) the man dies after he is unable to keep a fire lit.