Which of the following gases has the greatest impact on global climate change?
A) Methane B) Water vapor C) Nitrous oxide D) Carbon dioxide
D
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Relative to the five fundamental themes of geography, communication and diffusion refer to
A) location. B) place. C) human-Earth relationships. D) movement. E) regions.
Which of the following is NOT a greenhouse gas?
a. carbon dioxide b. methane c. water vapor d. nitrous oxide e. argon
What is significant about the North American Boreal Forest?
A) also known as a taiga or "snow forest" B) nursery to 3 billion birds C) regulates climate and carbon levels D) rising temperature is biggest threat E) all of the above
An alluvial fan is a fan- or cone-shaped pile of sediment that forms where a stream emerges from a narrow mountain canyon.
Answer the following statement true (T) or false (F)