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").

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

If a thing is using other animals for nourishment, then the thing is a (A) predator (B) producer (C) inanimate (D) herbivore
A

what characterizes a cycle (A) a steady recurrence (B) none of these (C) a stagnant pattern (D) a circle shape

A