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: Northern countries have extensive erosion due to (A) glacial liquification (B) cola mining (C) more frequent tornadoes (D) meteors

A: A
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Q: Which is nonmagnetic? (A) nail (B) washing machine (C) traffic cone (D) refrigerator

A: C
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Q: If a bird has to adapt to hot or cold temperatures, it will find difficulty as it is (A) able to chill blood (B) able to warm blood (C) able to adjust blood temperature (D) unable to control blood temps

A:
D
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