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").

In order for crops to grow food safely pesticides are used on them. When it floods, this can cause what to be poisonous? (A) Corn (B) air (C) Runoff (D) farmers
C

Which is likely to spread seed? (A) a car (B) a sun beam (C) a whale (D) a hummingbird
D

Dissolving sucrose makes liquids (A) hot (B) dry (C) sweet (D) cold

C