In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: Loss of ozone has created an ozone hole over Antarctica., Fact2: Antarctica's ozone layer is threatened by depletion., Question: What can loss of ozone lead to? (A) irritants (B) bad weather (C) Car accidents (D) ozone hole (E) rain (F) A hurricane (G) stormy weather (H) destroyed crops
D

Fact1: Evolution is a change in the characteristics of living things over time., Fact2: Evolution relies on random chance acts to cause mutations., Question: What causes changes in characteristics of living things over time? (A) mutations (B) science (C) parents (D) environment (E) light energy (F) news (G) alleles (H) animals
A

Fact1: Earthworm burrows help aerate soil, which is also good for plants., Fact2: Aerating means getting air into the wine., Question: Earthworm burrows are good for plants because they (A) get air into soil (B) reducing acid rain (C) eliminate toxins (D) hydrate roots (E) preventing heat transfer (F) It helps them survive (G) kill pests (H) important habitats
A