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").
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Question: Fact1: Echinoderms use pheromones to communicate with each other., Fact2: All echinoderms are deuterostomes ., Question: What use pheromones to communicate with each other? (A) passenger pigeons (B) honeybees (C) deuterostomes (D) Most plants (E) insects (F) animals (G) huddle together (H) orchids

Answer: C


Question: Fact1: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Vines are perennial, deciduous climbing plants., Question: What sheds their leaves seasonally each year? (A) camels (B) oak (C) Spruce (D) fens (E) Trees (F) burrs (G) apples (H) vines

Answer: H


Question: Fact1: measuring the hardness of minerals requires scratching those materials, Fact2: For ranking the hardness of minerals, the Mohs scale is generally used., Question: A mineral is scratched in order to rank it on what scale? (A) stoma (B) properties (C) Mohs (D) attributes (E) eight (F) bone (G) scratch (H) weater

Answer:
C