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: Jamaican natives have a dark skin tone do to (A) lack of nutrients (B) camouflage (C) solar radiation (D) their diet

SOLUTION: C

PROBLEM: A way in which seeds are frequently spread is (A) pigs rolling in mud (B) floors being swept clean (C) people eating deli ham (D) voles consuming oak pips

SOLUTION: D

PROBLEM: The cultivation of a range of crop types in a specific order has a positive impact on (A) soil quality (B) water quality (C) air quality (D) atmospheric conditions

SOLUTION:
A