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Correct Answer: D) All of these.
Correct Answer: C) Polar Bears.
Correct Answer: C) Geosphere.
Correct Answer: C) Both of the previous.
Correct Answer: B) Habitat distruction.
Correct Answer: B) Water vapor and carbon dioxide.
Correct Answer: C) The Kyoto Protocol was binding, not voluntary.
Correct Answer: B) Blows in and area regularly.
Correct Answer: A) Increased.
Correct Answer: A) In the atmosphere.
Correct Answer: D) Methane and carbon dioxide.
Correct Answer: C) 2, 600, 000 years ago.
Correct Answer: B) Lower.
Correct Answer: A) Climate.
Correct Answer: B) Summer.
Correct Answer: C) The earths axis tilts us away from the sun in the winter and toward it in the summer.
Correct Answer: B) Plants not able to photosynthesize.
Correct Answer: A) Greenhouse effect.
Correct Answer: A) Stratosphere.
Correct Answer: C) Influence rainy / dry weather world wide.
Correct Answer: A) Greenhouse Gases.
Correct Answer: C) Global Warming.
Correct Answer: C) Volcanic eruptions.
Correct Answer: C) An international agreement to reduce greenhouse emissions.
Correct Answer: B) Renewable energy.