Answer: Probably the sentence “They needed ways to move around in the city.
Explanation: The paragraph would be fine without the sentence.
Gravity means the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.
Answer:
I haven't read the book yet, but if I did it would be B
Answer:
It can be any so all of the above
Explanation: