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: freezing means changing from a liquid into a solid by reducing heat energy, Fact2: Frostbite is the freezing of body parts., Question: What is one result of reducing the heat energy of body parts? (A) dehydration (B) An uncomfortably hot sensation (C) Frostbite (D) layers of fat (E) anemia (F) Sweating (G) Weight (H) Muscle growth

A: C
****
Q: Fact1: Organisms cluster around hydrothermal vents in the ocean floor., Fact2: Background Hot water vents form inside cracks in the ocean floor., Question: Organisms cluster around hot water inside cracks where? (A) loose soil (B) ocean floor (C) food and shelter (D) tectonic plates (E) the ground (F) allow growth (G) Absorb light (H) survive

A: B
****
Q: Fact1: Muscles can only contract., Fact2: Smooth muscles are involuntary muscles., Question: Something that can be described as what can only contract? (A) Smooth (B) the skin (C) Rough (D) strong (E) Sweet (F) Loud (G) complex (H) alveoli

A:
A
****