based on the description of the swing in paragraph 3 ("but on that . . . it"), which two conclusions can be drawn about the swing?

Your question is incomplete. I would give you a general overview that should help you get the answer.

In order to come to a logical conclusion based on the description of something, it is important to:

c. should be the answer cause it aint movin

new york state wildlife expert richard thomas found that a woodchuck could (and does) chuck around 35 cubic feet of dirt in the course of digging a burrow. thomas reasoned that if a woodchuck could chuck wood, he would chuck an amount equivalent to the weight of the dirt, or 700 pounds.