Which sentence uses dashes correctly? 1. Claire-who is on the basketball, volleyball-and track team is a very busy student.
2. Claire who is one basketball, volleyball-and track team-is a very busy student.
3. Claire-who is on the basketball, volleyball, and track team-is a very busy student.
4. Claire who is on-the basketball, volleyball, and track team—is a very busy student.

3

Explanation:

When using dashes, treat them like commas. In this case, the dashes are used to indicate a relative clause. A relative clause can be removed and the sentence would still be clear.

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the answer is:

b) to show the progression of inventions that took place in the bicycling industry.

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i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.

this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.