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: a student leaves a nail line on a mineral sample, so that mineral can be described as what? (A) a mineral (B) a soft mineral (C) a liquid mineral (D) a mineral melt

A: B
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Q: What requires photosynthesis to grow? (A) hills (B) planets (C) flora (D) people

A: C
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Q: An animal needs another animal to (A) fly (B) eat (C) eliminate waste (D) pass genetic information

A:
D
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