In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

Q: Which would likely decrease the food in an environment? (A) gravity (B) water evaporation (C) a tree (D) time

A: B
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Q: Why animal may use a rock as shelter (A) Centipede (B) Dolphin (C) Seagull (D) Dog

A: A
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Q: A source of heat may come from (A) a cold shower (B) holding hands (C) holding ice (D) Antartica

A:
B
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