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").

An example of seed dispersal is animals eating what? (A) dirt (B) hard shells (C) grass (D) animals
B

Dirt is moved from one part of a forest to another, and travels across a field to get there. The movement is (A) caused by gusts (B) due to clouds (C) made by trees (D) because of litter
A

You can make an untraceable bullet with (A) metal (B) alloys (C) lead (D) frozen water

D