As global populations increase demands for water and global warming continues, the most sustainable source of water for poor developing countries will be
A) groundwater aquifers.
B) dams to capture runoff water.
C) estuaries.
D) desalination plants.
B
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Summer temperatures are high in arid climates because
A. evening cloud cover prevents the loss of heat. B. high sun angle and low relative humidity. C. most desert locations are closer to the sun in the summer. D. high sun angle and high relative humidity.
Which technology provides the cheapest source of electricity generation?
A) biomass B) geothermal power C) solar energy D) wind power E) all of the above are incredibly expensive, and not valid alternatives to fossil fuels
How many atmospheric circulation cells exist in each hemisphere on Earth?
A. 1 B. 2 C. 3
As the air temperature increases, with no addition of water vapor to the air, the relative humidity will ____________________
Fill in the blank with correct word.