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: glass cause refraction of light, Fact2: Refraction Refraction is the bending of light rays., Question: Glass causes the _ of light (A) intensification (B) bending (C) photons (D) a wave (E) Pollution (F) blocking (G) heat (H) amplification

A: B
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Q: Fact1: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Shade trees can be deciduous., Question: What can shed their leaves? (A) rabbit (B) Power plants (C) insects (D) swamp vegetation (E) mammals (F) Shade trees (G) animals (H) Most plants

A: F
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Q: Fact1: chemical weathering causes iron in rock to oxidize, Fact2: Asteroids are typically made of rock or iron., Question: What causes iron in asteroids to oxidize? (A) aliens (B) chemical weathering (C) flow of electrons (D) hydrogen and oxygen (E) water (F) Chemical energy (G) fossil fuels (H) ice

A:
B
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