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").
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Question: insulation for the purposes of moving electrons involves (A) conductor wrapped wire (B) insulator wrapped insulator (C) non coated metal (D) insulation encompassed wire

Answer: D


Question: Which of the following is an example of ecological succession? (A) a group of horses slowly becomes extinct due to loss of habitat (B) a group of rats in a lab learn to navigate a maze (C) a soccer team trains for the championship (D) Trees, insects, and birds in a forest grew from wildfire-ravaged lands

Answer: D


Question: Pollution is a source of what? (A) dirtying agents (B) purity (C) fertilization (D) cleanliness

Answer:
A