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: What is an example of the fact that crop rotation renews the soil? (A) planting rows of carrots and peas next to one another (B) planting peas one season then carrots the next (C) planting a field of corn with different types in it (D) tilling the soil in between crops

A: B
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Q: In an arid location, any various lifeforms will have to (A) work harder for nutriment (B) find food quite easily (C) find fast, easy nutriment (D) always eat their fill

A: A
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Q: The below surface pebbles of the rio grande are of non rough edges because of? (A) fish movement (B) rough rocks (C) smoothness (D) fluid moving

A:
D
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