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

Why is it dangerous for an animal to be kept boxed up in an area without air circulation? (A) it will be confused (B) it might get too viscious (C) it will be scared (D) it might get overheated
D

You would use a lever to move a (A) feather (B) grain of sand (C) drop of water (D) safe

D