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").

[EX Q]: Even items such as rocks mass can be changed due to which process? (A) Weathering (B) Climate (C) Weatherization (D) Weather
[EX A]: A

[EX Q]: What is the best example of a live birth? (A) a fish laying a clutch (B) a platypus warming an egg with its furry body until a baby is born (C) a bird warming the eggs in her nest until they hatch (D) a koala delivering into her pouch
[EX A]: D

[EX Q]: If a person is going to be in an area with acid rain, the organs in the body can be unharmed because of (A) outer organ protection (B) being given immunity (C) using sunscreen (D) taking vitamins
[EX A]:
A