Most tornadoes move from:a
northwest to southwest.
b. southwest to northeast.
c. south to north.
d. southeast to northwest
b
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Many people hear about atmospheric ozone depletion and wonder why we don't simply replace that which has been destroyed. Knowing about CFCs and how catalysts work, explain how this would not be a lasting solution.
A. Governments would be too slow to respond as they argued about who should shoulder the burden of undertaking such an endeavor. B. The amount of energy required to create and transport sufficient ozone to the stratosphere would be cost prohibitive. C. Any ozone we placed into the stratosphere would be destroyed by the same catalytic action that destroys naturally occurring stratospheric ozone. D. all of the above
Leachate is collected from landfills because it ________
A) can be used to generate energy B) is flammable and explosive C) attracts rodents D) may contaminate groundwater E) is a source of noxious odors
Emission of energy is most closely associated with ________
A) reflection B) scattering C) radiation D) latent heat E) conduction
To control pollution, industry has been given limits and been threatened with punishment if these limits are violated. This approach is called ________.
- command and control - last chance - end of the alley - carrot and stick - limit and manage