9. A 4-way stop sign means: Traffic from all four directions must stop.
STOP There are four stop signs at the intersection.
The first vehicle to reach the intersection should move forward first.
4-WAY
All of the above

answer; ///i believe )

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;

b. antarctica

explanation:

about 90% of the world's ice can be found on antarctica.