Pollution

Which of the following is NOT a direct source of groundwater pollution?

• Automobile exhaust
• Wastewater lagoons
• Pesticides sprayed on the land
• Waste injected into deep wells

Which of the following cities would have the greatest amount of gray-air smog?

• New York, New York
• Beijing, China
• Los Angeles, California
• London, England

All of the following are true about sanitary landfills EXCEPT that they

• have methods of monitoring leaks in the clay and plastic liners
• pipe generated methane gas to storage tanks
• pump leachate out of the landfill for treatment and disposal
• are built so that trash sits on top of the land

Which of the following correctly explains what happens to the level of oxygen dissolved in water when organic waste is put in the water?

• The levels would remain the same after the waste was added.
• The levels would increase because of the availability of nutrients animals that live in the water.
• The levels would increase because of the higher temperatures of the water.
• The levels would decrease because of the bacteria feeding off the waste and using the oxygen to live

An abundance of which of the following creatures (and a lack of other creatures) would indicate that water is polluted?

• Trout and other game fish
• Sludge worms, anaerobic bacteria, and fungi
• Insect larvae and nymphs
• Salamanders and turtles

Which of the following is the most common way of disposing of municipal solid waste?

• Recycling
• Composting
• Placing in landfills
• Burning

Which of the following gases involved in global climate change is increasing in the atmosphere at the fastest rate?

• H2O
• Methane
• Chlorofluorocarbons
• CO2

Which of the following choices gives the correct order of processing sanitary waste in a sewage treatment plant?

• Disinfection- breakdown of organics by bacteria- solid separation
• Solid separation- breakdown of organics by bacteria- disinfection
• Solid separation- disinfection- breakdown of organics by bacteria
• Breakdown of organics by bacteria- disinfection- solid separation

Which of the following is a secondary pollutant?

• CO
• Soot
• VOCs
• PANs

The United Sates was building a nuclear waste disposal site in

• Wheeling, West Virginia
• Yucca Mountain, Nevada
• Gallup, New Mexico
• Hudson, New York