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").

What is it called when a cell converts oxygen and carbohydrates into carbon dioxide, water, and energy? (A) adaptation (B) breathing (C) food transformation (D) catabolic reactions
D

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

Switching on a light can complete an electrical circuit, which may (A) brighten a room (B) turn off fans (C) close a door (D) use a flashlight

A