An observer at the earths equator would find Polaris At the zenith
At the nadir
On the horizon
40° above the horizon

the answer is Polaris 40° above the northern horizon.

answerthe employer shall direct drivers to travel with the load trailing;

the answer to the question is punishment. or more specifically, positive punishment.

positive punishment occurs when a behavior is given a negative consequence for the individual doing the behavior.

sara no longer wants to ask questions (the behavior) because she is ridiculed by mr. smith (the punishment).

reinforcement is inaccurate because reinforcement always gives positive consequences for the individual doing the behavior, be it by introducing a pleasant consequence or removing an unpleasant one.