From the definition of absolute phrases we know that it is a modifier that attaches to a sentence without a conjunctution. So, we can say "his chubby legs, pumping" is the correct answer.
“When thinking” is the right answer (the definition of retrospect is “a survey or review of a past course of events or period of time”. So “when thinking “ is most likely the right answer.
Answer: The internet.
Explanation:
There are just too many advantages. The internet can provide information that teachers just can't give. Teaching is just a one man band, and what that one person knows is what that one person teaches. However, the internet collects data and knowledge from people all over the world. You have libraries, museums, and schools all in the palm of your hand.
I believe it is the 1st one, however I am only in middle school so I would wait for another answer to be 100% sure.
A general rubric does not evaluate the supporting details in a piece of writing.