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").

Q: Fact1: microorganisms can cause infections, Fact2: Bacteria are microorganisms that exist everywhere., Question: What can cause infection? (A) bacteria (B) seeds (C) influenza (D) disease (E) horses (F) viruses (G) chickenpox (H) bladders

A: A
****
Q: Fact1: an animal usually requires a warm body temperature for survival, Fact2: Mammals are also warm-blooded and are covered with hair or fur., Question: What helps maintain body temperature? (A) hats (B) Lift (C) the inside of a refrigerator (D) fur (E) skin (F) arctic winds (G) freezing water (H) hair

A: D
****
Q: Fact1: an aquatic animal requires great amounts of water to survive, Fact2: Deserts are formed because of lack of water., Question: Where can not survive in a desert? (A) single-celled organisms (B) Movement of an air mass (C) an aquatic animal (D) insects (E) one celled organisms (F) plants (G) tectonic plates coliding (H) lizards

A:
C
****