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: When cutting down rain forests, it is important to keep in mind air quality. When too many trees are cut down in a given area, there may be decrease in the air's (A) quality (B) carbon dioxide (C) helium amounts (D) carbin dioyide levels

A: A
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Q: A bean sprout will beautifully boom if given plenty of access to (A) salted dirt (B) H2O (C) sticky napkins (D) searing heat

A: B
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Q: A frog is moved from a lake to a pond, so it is likely to (A) adapt (B) melt (C) drown (D) sink

A:
A
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