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Correct Answer: D) They contain ancient atmospheres trapped in bubbles in the ice.
Correct Answer: A) Ocean currents and wind.
Correct Answer: C) Treeless, permafrost, cold dark winters.
Correct Answer: A) The distance from the equator.
Correct Answer: C) Climate.
Correct Answer: E) Tectonic plates.
Correct Answer: B) Using public transportation.
Correct Answer: C) Increase polar ice mass.
Correct Answer: C) Animal respiration.
Correct Answer: B) Global warming.
Correct Answer: B) Carbon dioxide.
Correct Answer: B) Methane.
Correct Answer: C) 300 pm.
Correct Answer: B) When a group of like-minded people gather and get tunnel vision.
Correct Answer: C) Near the poles.
Correct Answer: C) Pollution.
Correct Answer: B) Younger people.
Correct Answer: B) Greenhouse Effect.
Correct Answer: A) Skin cancer.
Correct Answer: B) Planting trees.
Correct Answer: D) Taiga.
Correct Answer: A) Paris Agreement.
Correct Answer: A) Increase.
Correct Answer: A) Nitrous oxide:landfills.
Correct Answer: C) In your own words with complete sentences.