TASK DEFINITION: In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
PROBLEM: Which of the following would have best aided a vessel at sea in crossing the sea in the 18th century? (A) A radar system (B) An old soothsayer (C) An experienced navigator (D) A crow's nest

SOLUTION: C

PROBLEM: A light is refracted when (A) it shines at a gem (B) it shines at a mirror (C) it reflects off a spoon (D) it reflects off a car

SOLUTION: A

PROBLEM: If a person walks in the opposite direction of a compass arrow they are walking (A) west (B) north (C) east (D) south

SOLUTION:
D