Which of the following is a health risk associated with ground-level ozone?a.cataractsb.skin cancerc.respiratory illnessd.all of the above
The ozone layer helps to sustain terrestrial life by __________.a.absorbing incoming UV radiationb.keeping levels of ozone in the troposphere lowc.maintaining the Earth's temperature structured.all of the above
Driving cars lowers the pH of the oceans by _______.a.releasing CO2 that dissolves and forms acid in the oceansb.releasing pollutants that lead to smogc.releasing CO that dissolves and forms acid in the oceansd.releasing pollutants that lead to acid rain
Which of the following is not a technological way of improving air quality?a.using electrostatic precipitatorsb.installing solar panelsc.compostingd.building wind turbines
Air pollution affects everyone equally.
Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is an example of _______.a.a primary pollutantb.a secondary pollutantc.a tertiary pollutantd.none of the above
Alternative energy sources like solar and wind power _______.a.are always availableb.are only replenished with human interventionc.are renewabled.are more versatile than fossil fuels
The _______ is responsible for absorbing the most UV radiation.a.troposphereb.stratospherec.mesosphered.thermosphere
Halons and CFC’s both _______.a.inhibit ozone formationb.cause ozone formation in the tropospherec.destroy ozone in the stratosphered.cause excess ozone formation in the stratosphere
Which of the following human activities would be expected to be the biggest contributor to air pollution? a.drivingb.restaurant garbagec.aerosol cansd.nuclear weapons
Ozone is both helpful and harmful to life on Earth.
Which of the following is not a possible cause for air pollution?a.volcanoesb.industryc.combustiond.none of the above
Auroras occur in the _______.a.troposphereb.stratospherec.mesosphered.thermosphere
Acid rain is the direct result of acid released by burning fossil fuels.
Wind, solar and geothermal power are called renewable energy sources because _______.a.tax breaks for these sources are renewed every yearb.they are continuously replenishedc.humans can replenish these sources periodicallyd.they produce few toxic byproducts
What are some ways each person could reduce air pollution and energy consumption?a.adjust the temperature settings - hotter in winter and cooler in summerb.adjust the temperature settings - cooler in winter and hotter in summerc.cut down trees near the housed.replace plumbing fixtures that leak
Over 95% of incoming UV-B radiation is absorbed in the stratosphere. Please select the best answer from the choices provided
What layer of the atmosphere is the most vital for supporting life on Earth?a.troposphereb.stratospherec.mesosphered.thermosphere
The principal limitation of wind power is unpredictability.
Air pollution in US National Parks is affecting the environment in what way(s)? a. plant damage from ozone exposure b. high levels of mercury found in endangered bat species c. changes to alpine ecosystems due to nitrogen d. all of the above Please select the best answer from the choices provided
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