Halons And Cfcs Both
Question: Air pollution affects everyone equally. T o F
Answer: F
Question: The ozone layer helps to sustain terrestrial life by __________.
absorbing incoming UV radiation
b. keeping levels of ozone in the troposphere low
c. maintaining the Earth’s temperature structure
d. all of the above
Answer: D
Question: Which of the following is a health risk associated with ground-level ozone?
cataracts
b. skin cancer
c. respiratory illness
d. all of the above
Answer: C
Question: Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is an example of _______.
a primary pollutant
b. a secondary pollutant
c. a tertiary pollutant
d. none of the above
Answer: B
Question: Ozone is both helpful and harmful to life on Earth. T o F
Answer: T
Question: Halons and CFC’s both _______.
inhibit ozone formation
b. cause ozone formation in the troposphere
c. destroy ozone in the stratosphere
d. cause excess ozone formation in the stratosphere
Answer: C
Question: Which of the following is not a possible cause for air pollution?
volcanoes
b. industry
c. combustion
d. none of the above
Answer: B
Question: The _______ is responsible for absorbing the most UV radiation.
troposphere
b. stratosphere
c. mesosphere
d. thermosphere
Answer: B
Question: Which of the following is a possible consequence of ozone layer depletion on living organisms?
increased exposure to ground-level ozone
b. decreased levels of ultraviolet radiation in the troposphere
c. increased levels of ultraviolet radiation absorption in the stratosphere
d. none of the above
Answer: A
Question: Air pollution only occurs as a result of human activity. T o F
Answer: F