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: What will air usually do when heated up beyond a certain point? (A) it will fall (B) it will remain (C) it will ascend (D) it will die

SOLUTION: C

PROBLEM: If an island is experiencing a hot summer it is because (A) of the water (B) of the axis (C) of the shade (D) of glaciers

SOLUTION: B

PROBLEM: This is most likely to be conserved: (A) CO2 (B) toilet paper (C) a soda can (D) styrofoam

SOLUTION:
C