The primary component of photochemical smog is
A) ozone.
B) carbon monoxide.
C) lead.
D) nitric oxide.
E) sulfur trioxide.
A
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Teratogens
A. are fatal to humans in low doses. B. cause birth defects. C. are harmful largely as allergens. D. cause mutations. E. are transmitted genetically.
Which of the following terms refers to the amount of heat energy required to bring about a small change in temperature?
A. radiative equilibrium B. dead heat C. latent heat D. specific heat
How would the eruption of a volcano cause global climate changes?
A. Dust from the volcano blocks sunlight. B. Sulfuric acid is produced which interferes with solar radiation. C. It can cause stratospheric ozone reduction allowing increased ultraviolet light to reach the Earth's surface. D. Both "Dust from the volcano blocks sunlight" and "Sulfuric acid is produced which interferes with solar radiation." E. Both "Sulfuric acid is produced which interferes with solar radiation" and "It can cause stratospheric ozone reduction allowing increased ultraviolet light to reach the Earth's surface."
Ice moves ________ in the zone of accumulation and ________ in the zone of wastage
A) downward, upward B) downward, downward C) upward, downward D) upward, upward