Ozone is both helpful and harmful to life on Earth.
“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?
Which of the following is not true concerning the Pleistocene ice age?
Air pollution affects everyone equally.
Ecosystems have trouble adjusting to short-term changes.
Driving cars lowers the pH of the oceans by _______.
Which of the following is not a technological way of improving air quality?
The ozone layer helps to sustain terrestrial life by __________.
Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is an example of _______.
All scientists agree that global climate change will happen rapidly.
Which of the following is the most likely cause for global climate change?
The increased ranges of plant and insect species resulting from climate change has only negative consequences.
Habitat change occurs more frequently through natural causes than human activity.
Which of the following human activities would be expected to be the biggest contributor to air pollution?
Which of the following is a health risk associated with ground-level ozone?
Why was the concern over global cooling replaced with a concern over global warming?
Alternative energy sources like solar and wind power _______.
Halons and CFC’s both _______.
Which of the following is not a possible cause for air pollution?
The _______ is responsible for absorbing the most UV radiation.
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