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: A prickly pear absorbs nutrients from (A) below it (B) far from it (C) beside it (D) above it

SOLUTION: A

PROBLEM: A star produces light energy and heat because it has a variety of (A) moon rotation causing friction (B) light energy flowing to earth (C) reactions of nuclear form (D) global warming caused by co2

SOLUTION: C

PROBLEM: Which type of energy is the most environmentally friendly? (A) Coal (B) Petroleum (C) Natural Gas (D) Sunlight

SOLUTION:
D