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").

The sidewalk next to a house having a crack in it and having vegetation growing from it is considered? (A) insects (B) weathering (C) erosion (D) lava
B

harming an animal species causes that animal 's population to do what? (A) explode (B) rise (C) plummet (D) burst
C

What happens after something dies? (A) chance (B) rot (C) luck (D) magic

B