AP world unit 7 test answers?

What process is believed to be responsible for the formation of the grand canyon? a) diverging tectonic plates b) converging tectonic plates c) erosion over a long period of time d) caving in of the ground due to erosion

Free points + free ! if answered correctly which of these is not a good tip for passing? a. make sure you are on an area of road where it is legal and safe to pass. b. always drive at a safe speed at or below the speed limit. c. you may reduce your following distance below four seconds when passing. d. make sure there is a safe gap in traffic before you change lanes.

Can someone answer this question without telling me to try my best if i don’t finish my flvs work will i not be able to move to the next grade