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1. The topic of the passage is
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2. What is the tone of the following sentence: "Two of the greatest environmental threats of the twentieth century—leaded gas and freon—were the work of a single man named Thomas Midgley"?
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3. The following comment is an example of what kind of irony: "Because of these two inventions, a historian described Midgley as having 'had more impact on the atmosphere than any other single organism in earth history'"?
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4. The author gives how many examples of situational irony evident in Thomas Midgely's life?
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5. What is the first "scientific fox hunt" mentioned?
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6. Because we now know that freon causes a hole in the earth's atmosphere, Midgely's demonstration about its safety is an example of
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7. Identify the tone of the following sentence: "Of course, we learned in the 1970s that freon thins the ozone layer, the essential sun screen that lets life on earth thrive."
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8. "This irony was reflected in his own demise."
Demise means
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9. "One day he became entangled in this network of ropes and was strangled by his own ingenuity."
Ingenuity means
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10. "One day he became entangled in this network of ropes and was strangled by his own ingenuity."
This sentence is an example of what kind of irony?
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Step 2: Refer to the reading passage in Activity 49 in the Lab Manual to answer the following questions.