<span>"b. avoided when writing". It could be D, but they can't always be combined this way, so it is best to avoid them.
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APA style. it's most used for citation in research papers
A. It does not summarize the main points.
Answer:
The Iditarod Trail Sled Dog Race is an annual long-distance sled dog race run in early March from Anchorage to Nome, entirely within the US state of Alaska. Mushers and a team of 14 dogs, of which at least 5 must be on the towline at the finish line, cover the distance in 8–15 days or more.
Explanation:
