Answer: " a comma, followed by a coordinating conjunction" .
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Note: The following words are coordinating conjunctions:
for ; and, not; but; or; yet; so .
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A popular mmenomic to remember these words is:
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"fan boys". {Note: The first letter of each word corresponds to each of the "coordinating conjunction" words.}.
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Answer:
for number 1 its e and number 2 its b
The answer is A cause the most effective type of research question