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: Ejaculation occurs when muscle contractions propel sperm from the epididymes., Fact2: Male gametes are called sperm., Question: What is it called when male gametes are propelled because of muscle contractions? (A) competition (B) rapid expansion (C) intercourse (D) thrusting (E) a wave (F) reproductions (G) A Greek letter (H) ejaculation

A: H
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Q: Fact1: Biodiversity increases the productivity and stability of ecosystems., Fact2: Ecotourism, on the other hand, can help to conserve biodiversity., Question: What increases the stability of ecosystems? (A) overpopulation (B) water consumption (C) loose soil (D) Quality of life (E) agriculture (F) deforestation (G) ecotourism (H) trees

A: G
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Q: Fact1: Mammals have a layer of fat under the skin to help insulate the body., Fact2: Of the sea mammals, especially the seal and walrus are hunted., Question: What has a layer of fat under the skin to help insulate the body? (A) walruses (B) bears (C) the Sun (D) water (E) rabbit (F) ice (G) animals (H) humans

A:
A
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