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: Why is it fall one month and spring another month? (A) the moon has different phases (B) the earth is revolving (C) solar flares appear in cycles (D) the earth is in a different place in its orbit

SOLUTION: D

PROBLEM: The cell of a plant when photosynthesizing may most require (A) access to roofless space (B) a complete vacuum in space (C) a room with blackened windows (D) dark basement living quarters

SOLUTION: A

PROBLEM: Who is likeliest to overuse hot water? (A) a rabbit (B) a squirrel (C) a bird (D) the Johnson family

SOLUTION:
D