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: Evolution occurs in response to a change in the environment., Fact2: Evolution Evolution is the changing pattern of life forms., Question: what happens in response to change in environment? (A) Plant growth is reduced (B) the wearing away of rock (C) lifeforms change their pattern (D) antimatter (E) density changes (F) Warm air moving into cold air (G) erosion from rivers (H) gravity changes
C

Fact1: Bile reduces the acidity of food entering from the highly acidic stomach., Fact2: Bile, a fluid made by the liver, is stored in the gallbladder., Question: Fluid that reduces the acidity of food is stored in (A) the throat (B) Microscopic vessels. (C) the rectum (D) the gallbladder (E) chondrocytes (F) the small intestine (G) holding nutrients (H) intestinal
D

Fact1: Plants that are adapted to very dry environments are called xerophytes., Fact2: Bromeliads and cacti are xerophytes., Question: What are adapted to very dry environments? (A) otters (B) toads (C) plants (D) cacti (E) seeds (F) adaptations (G) alpacas (H) spores
D