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: This can be used to light up a light bulb (A) grass (B) dirt (C) stones. (D) biofuel

A: D
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Q: A thing which moves very little over quite a lot of time is a (A) pack of wolves (B) racing horses (C) falling rocks (D) giant ice brick

A: D
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Q: What can show that loss of resources has a negative impact on the organisms in an area? (A) lakes dry up and fish species are less varied (B) when prey is overhunted, predators die (C) deer need plenty of space to live (D) sharks need to eat a lot of fish in order to survive

A:
B
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