The greatest contrast in both temperature and moisture occurs along the boundary between which of the following air masses?
A. mT and cP
B. cP and cT
C. mP and cT
D. mP and mT
Answer: A
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The ________ jet stream has a substantial influence on the weather of mid-latitude areas
Fill in the blank(s) with the appropriate word(s).
Once salt is dissolved in water the:
A. positively charged sodium cation is surrounded by the negative side of encircling water molecules. B. negatively charged sodium cation is surrounded by the negative side of encircling water molecules. C. positively charged chlorine cation is surrounded by the positive side of encircling water molecules. D. positively charged sodium cation is surrounded by the positive side of encircling water molecules.
Dam removal in the U.S. ________
A) is controversial because dams provide such good habitats for native species B) will assist with our transition to more natural forms of renewable energy C) will probably increase rapidly as we move to a more fossil-fuel-dependent society D) will probably continue because the environmental impacts of dams are reviewed periodically E) provides many new jobs and opportunities and so is economically beneficial
Why does the average U.S. citizen create more waste today than 50 years ago?
A. high rates of recycling B. lack of composting facilities C. higher rates of consumption D. lack of landfill space