The graph below represents a journey that a student takes from their front door. What is the largest displacement that the student has?

Can someone explain to me how to do this problem ?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal