Which of the following pairs engage in hydrogen bonding?
A) water with methanol, CH3OH
B) two molecules of methane
C) both a and b
D) neither a nor b
A
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Source separation differs from materials-recovery facilities in all but which of the following?
a. It has lower start-up costs. b. It yields cleaner and more valuable recyclables. c. It produces less air and water pollution. d. It provides fewer jobs per unit of material recycled. e. It saves more energy per unit of material recycled.
Which of the following cities' roads would likely experience the most potholes during the month of March?
A. Yellowknife, Canada-temperatures are below freezing both day and night B. Milwaukee, Wisconsin-temperatures are above freezing during the day and below freezing at night C. Tampa Bay, Florida-temperatures are above freezing both day and night
What is not true of territorial waters?
a. They extend 18.2 kilometers from the shore. b. A nation has the jurisdiction over territorial waters. c. Territorial waters include straits that might be used for international navigation. d. Territorial waters include exclusive economic zones.
Which of the following is not true?
a. oxygen 16 evaporates more readily from the ocean than oxygen 18 b. oxygen 16 and oxygen 18 are found in roughly equal amounts in ocean water c. the nucleus of oxygen 18 contains two more neutrons than the nucleus of oxygen 16 d. both oxygen 16 and oxygen 18 are found in the shells of marine organisms