In the future, coastal cities will likely be faced with
a. severe water shortages when the mountaintop glaciers that feed the watersheds coming into these cities are reduced by global warming
b. flooding as sea levels rise secondary to global warming
c. higher populations as people move from arid areas because of droughts
d. no major changes in water availability or population size
e. changes in water availability, but no changes in population size
B
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The huge dust storms that took place in the United States in the 1930s ________
A) were the result of poor farming techniques B) were the result of polar cells C) were the result of ozone depletion D) were triggered by tornados, worsened by global climate change E) were the result of glacier melt
The law of conservation of matter has very important consequences in terms of how we handle our wastes. Explain this statement.
What will be an ideal response?
There is current concern that the amount of ozone in the stratosphere may be decreasing. Why is a decrease in ozone concentration significant? Describe some of the effects that a decrease in ozone concentration might have.
What will be an ideal response?
A wave travels an average distance of 6 m in 1 s. What is the wave's velocity?
A) less than 0.2 m/s B) 1 m/s C) 3 m/s D) 6 m/s E) more than 6 m/s