A great deal of China's air pollution is due to ________
A) burning high sulfur coal
B) nuclear fallout
C) prevailing westerly winds blowing across the Takla Makan desert
D) tourist bus traffic
A
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Instructions: Choose one answer from each pair of selections. Ideal air mass source regions are usually dominated by surface HIGH | LOW pressure
Biogas is mostly produced in landfills
A) by the anaerobic decomposition of organic materials. B) by the release of compressed gases from aerosol containers. C) by the evaporation of the liquids draining from the buried waste. D) when solid materials melt into fluids and evaporate.
How and why are so many farmers pressured into growing illicit drug crops? What role does location play in determining which farmers are pressured into this market?
What will be an ideal response?
Public housing
A) has kept pace with demand. B) is only necessary in developing nations. C) as high-rise concentrated living was successful in both Chicago and St. Louis. D) demand outpaces supply. E) is only found on an urban periphery.