Explanation: Hey friend the below is your answer:
It was a cold, windy day, when the brothers built a toboggan, run, in there backyard.
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42% oxygen
21% silicon
13% iron
8% calcium
7% aluminium
6% magnesium
<span>3% other elements</span>
The answer to the first is B. Appositive position, because it is separated with commas. The answer to the second is C. predicate position, because Frustrating is a participle that combines with is to create a predicate.
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