How do the books Peg + Cat: The Pizza Problem and How Machines Work: Zoo Break incorporated math and science concepts?

1# the answer is c

2#the answer is a

i belive the answer is to determine what manhattan island was like before it became a city - apex

the best sentence that shows the best placement for the modifier "on the ice" is the one which contains it in the end of the sentence or in its beggining followed by a comma, that indicates it works as adverbial, dislocated in the sentence.

the girl promptly slid on her rollers on the ice.

on the ice, the girl promptly slid on her rollers.