When passing a construction zone, you should
a. move through the area as quickly as possible
b. obey any special signs or instructions as you pass
c. pull to the side of the road and wait for instructions
d. turn around and go the other way

Based on the graph, how is coal consumption likely to affect future generations? a. the higher our current rate of consumption, the less coal will be available in the future. b. current rates of consumption are irrelevant because new coal will form in the future. c. the lower our current rate of consumption, the more slowly coal will be replenished for the future. d. regardless of current rates of consumption, coal will always be available.