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: Many consumers feed at more than one trophic level., Fact2: Consumers are heterotrophs that feed on tissues of other organisms., Question: What may eat other organisms at more than one trophic level? (A) barnacles (B) chickens (C) fur seals (D) humans (E) heterotrophs (F) mammals (G) animals (H) rabbit

A: E
****
Q: Fact1: skin is used for protecting the body from harmful substances, Fact2: Skin is the body's largest organ., Question: What can protect the body from harmful substances? (A) the body's largest organ (B) layers of fat (C) Electric devices (D) bones (E) sunburns (F) hard outer covering (G) deoxyribonucleic acid (H) muscle

A: A
****
Q: Fact1: Sweat wets the skin, and when it evaporates, it cools the body., Fact2: Evaporation cools the skin and thereby reduces body temperature., Question: what happens when sweat wets the skin? (A) digestion (B) body temperature reduces (C) liquid precipitation (D) Temperature changing (E) body temperature increases (F) heat produced (G) retaining heat (H) condensation

A:
B
****