Of the compounds listed here, which one is not a constitutional isomer of the other three?
A) 2,3-dimethylpentane
B) 3-methylhexane
C) 3-ethylpentane
D) 2,2-dimethylbutane
D
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Which of the following steps in risk assessment comes first?
A) Hazard identification B) Dose-response analysis C) Exposure assessment D) Risk characterization
Worldwide, perhaps 15,000 square miles of ________ have been cleared annually in recent years
A) agricultural fields B) tropical and temperate forests C) prime oilfields D) tropical savanna E) tropical rain forest
You would most likely expect a rain shadow on the:
A) east side of the Cascade Mountains in the Pacific Northwest. B) west side of the Sierra Nevada Mountains. C) west side of the Andes. D) west side of the Coast Range in California.
Referring to Figures 10.8.5, 10.86, and 10.87, which countries produce very large amounts of meat, corn, and wheat (the maximum range for each on the given scales)?
A) United State and China B) Brazil and United States C) China and India D) United States and Canada E) China and Brazil