The scientific explanation for global warming is very dependent on the _______ atom.
  • False
  • carbon
  • fishing
  • True
How does change to an ecosystem that results in succession benefit the ecosystem?
  • they are continuously replenished
  • increased exposure to ground-level ozone
  • Increased levels of carbon dioxide, a greenhouse gas, leads to increased phytoplankton growth.
  • it leads to an increased level of biodiversity
The best method to improve air quality is to _______.
  • garbage decomposes and releases methane
  • produce less pollution and use technology to reduce the pollutants in air
  • Animals found in higher elevations will move to lower elevations.
  • Steady surface temperature increases were noted between the 1970's and 90's.
What is known about climate history over the last 10,000 years?
  • [NOT] glaciers and ice caps melted
  • [NOT] combining two single oxygen atoms
  • consumption of water's oxygen
  • all of the above
Why are small quantities of chlorofluorocarbons so harmful to the ozone layer?
  • Carbon dioxide is considered a pollutant when larger concentrations than normal are present in the air as a result of human activity.
  • The water in the melting glaciers can cause sea levels to rise.
  • Free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone.
  • none of the above
The ozone layer helps to sustain terrestrial life by __________.
  • all of the above
  • mesosphere
  • All of the above are true.
  • none of the above
The principal source of air pollution from volcanoes is _______.
  • all of the above
  • False
  • True
  • ash
Which of the following is not a way in which humans directly impact algal bloom production?
  • composting
  • water
  • respiration
  • fishing
In which city did smog kill thousands of people in only a few days?
  • False
  • composting
  • fishing
  • London
Which alternative energy source would be expected to be the least dependent upon the weather?
  • cutting down forests
  • none of the above
  • Environmental Protection Agency (EPA)
  • geothermal power
Which government agency would you expect to be most concerned with the impacts of pollution?
  • they are continuously replenished
  • consumption of water's oxygen
  • increased oxygen levels
  • Environmental Protection Agency (EPA)
How is good (stratospheric) ozone formed?
  • All of the above are true.
  • [NOT] combining two single oxygen atoms
  • garbage decomposes and releases methane
  • Environmental Protection Agency (EPA)
How can local environmental changes have global effects?
  • none of the above
  • filters out harmful ultraviolet radiation
  • all of the above
  • All of the above are true.
What is a likely health effect of continued exposure to air pollution?
  • chlorofluorocarbon (CFC)
  • respiration
  • all of the above
  • troposphere
Which of the following is not a technological way of improving air quality?
  • composting
  • respiration
  • creation of new jobs and technology
  • troposphere
"In a 2009 study, presented by the National Academy of Science, 97% of climate scientists agree that human activity is causing global warming." Which of the following statements is best supported by this study?
  • change to the landscape from construction
  • Most climate scientists believe that there is evidence that explains global warming.
  • produce less pollution and use technology to reduce the pollutants in air
  • have a greater detrimental effect on the sea than the land.
Which of the following is a possible consequence of ozone layer depletion on living organisms?
  • Environmental Protection Agency (EPA)
  • increased exposure to ground-level ozone
  • chlorofluorocarbon (CFC)
  • creation of new jobs and technology
What layer of the atmosphere is the most vital for supporting life on Earth?
  • mesosphere
  • respiration
  • troposphere
  • composting
Which of the following is not a possible effect of increasing carbon dioxide levels in the atmosphere?
  • none of the above
  • creation of new jobs and technology
  • cutting down forests
  • increased oxygen levels
Landfill waste results in air pollution as _______.
  • garbage decomposes and releases methane
  • [NOT] glaciers and ice caps melted
  • [NOT] combining two single oxygen atoms
  • exacerbate the natural greenhouse effect
How does an increase in the annual melt season in Antarctica have a global effect?
  • filters out harmful ultraviolet radiation
  • The water in the melting glaciers can cause sea levels to rise.
  • Increased levels of carbon dioxide, a greenhouse gas, leads to increased phytoplankton growth.
  • it leads to an increased level of biodiversity
Which of the following is not a manmade cause of global warming?
  • composting
  • all of the above
  • respiration
  • increased oxygen levels
How can carbon dioxide be considered a pollutant when it is a natural component of air?
  • Carbon dioxide is considered a pollutant when larger concentrations than normal are present in the air as a result of human activity.
  • Increased levels of carbon dioxide, a greenhouse gas, leads to increased phytoplankton growth.
  • troposphere
  • Animals found in higher elevations will move to lower elevations.
Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is an example of _______.
  • creation of new jobs and technology
  • a secondary pollutant
  • cutting down forests
  • all of the above
Which of the following is not a common atmospheric pollutant?
  • water
  • chlorofluorocarbon (CFC)
  • composting
  • all of the above
Environmental factors can cause various changes in ecosystems. Which of the following would most likely have the greatest lasting effect on an ecosystem?
  • it leads to an increased level of biodiversity
  • change to the landscape from construction
  • creation of new jobs and technology
  • consumption of water's oxygen
Greenhouse gases are best described as _______.
  • exacerbate the natural greenhouse effect
  • gases that trap energy from the sun in Earth's atmosphere
  • it leads to an increased level of biodiversity
  • garbage decomposes and releases methane
Which of the following could cause a habitat change?
  • cutting down forests
  • All of the above are true.
  • all of the above
  • water
Why was the concern over global cooling replaced with a concern over global warming?
  • Carbon dioxide is considered a pollutant when larger concentrations than normal are present in the air as a result of human activity.
  • Animals found in higher elevations will move to lower elevations.
  • creation of new jobs and technology
  • Steady surface temperature increases were noted between the 1970's and 90's.
Rising levels of carbon dioxide most likely
  • All of the above are true.
  • exacerbate the natural greenhouse effect
  • produce less pollution and use technology to reduce the pollutants in air
  • have a greater detrimental effect on the sea than the land.
How does the ozone layer affect life on Earth?
  • exacerbate the natural greenhouse effect
  • filters out harmful ultraviolet radiation
  • have a greater detrimental effect on the sea than the land.
  • all of the above
How does climate change lead to an increase in algal blooms?
  • increased exposure to ground-level ozone
  • filters out harmful ultraviolet radiation
  • Increased levels of carbon dioxide, a greenhouse gas, leads to increased phytoplankton growth.
  • it leads to an increased level of biodiversity
Fish populations and other aquatic resources are likely to be affected by changes in what aquatic factors?
  • fishing
  • composting
  • none of the above
  • all of the above
Human activities _______.
  • change to the landscape from construction
  • exacerbate the natural greenhouse effect
  • garbage decomposes and releases methane
  • have a greater detrimental effect on the sea than the land.
The _______ is the coldest layer of the atmosphere.
  • all of the above
  • mesosphere
  • troposphere
  • respiration
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