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: soil is formed by weathering, Fact2: Over time, the slow processes of weathering and erosion can turn large rocks into sand., Question: What is formed by erosion processing large rocks? (A) cracks (B) crust (C) Newton (D) roots (E) pan (F) soil (G) potash (H) biome

A: F
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Q: Fact1: shelter is used for protection by animals against weather, Fact2: Many animals use sponges for shelter., Question: What can animals use for protection? (A) hair (B) bushes (C) keratin (D) food (E) shells (F) appendages (G) energy (H) sponges

A: H
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Q: Fact1: Sweating reduces body heat., Fact2: Clothing reduces the effectiveness of sweating as a means of cooling the body., Question: What does taking off one's clothing improve the efficacy of? (A) recovery (B) hydration (C) Sweating (D) Modesty (E) Waterproofing (F) Exfoliation (G) Honesty (H) staying warm

A:
C
****