Air pollution consists of
A) solely anthropogenic gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans.
B) solely natural gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans.
C) a distinct class of gases, particles, and other substances that the EPA has deemed worthy of regulating.
D) both natural and anthropogenic gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans.
D
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Energy transfer processes include
A) only those processes that can be seen. B) energy that is transferred at the molecular level only. C) conduction, convection, and radiation. D) only the energy interactions between the earth and the atmosphere.
The movement of European-American middle-class families to the suburbs in order to escape racial tensions and urban decay is called what?
A) White flight B) Caucasian departure C) European suburbanization D) Suburban gentrification
Explain how sunlight contributes to the formation of photochemical smog.
What will be an ideal response?
The Mesozoic orogenies of the Cordillera ____
A)only progressively affected areas from west to east B)only progressively affected areas from east to west C)involved deformation but not magmatism D)involved magmatism but not deformation E)progressively affected areas from west to east, and involved only deformation, not magmatism