Stratospheric ozone destruction involves a complex series of reactions. The first significant reaction involves ________
A) UV radiation from sunlight breaking apart O3 molecules
B) ultraviolet (UV) radiation from sunlight causing Cl atoms to break free from CFCs
C) O3 reacting directly with CFCs
D) O3 reacting with industrial sulfuric acid
B
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Find the largest cold front located on the map. The likely air mass to the west of the cold front is a ________ mass that is likely to be ________ than the air mass to the east.
A) mT; moister
B) mP; moister
C) cP; drier
D) cP; moister
Woody plants that are vines supported by trees are called ____.
A. herbs B. epiphytes C. canopy D. mesquite E. lianas
Considering the cost-effectiveness of pollution control over a 25-year period, the most expensive period of pollution control is from years
A) 0 to 5 while the least expensive is in years 20 to 25. B) 0 to 5 while the least expensive is in years 5 to 10. C) 20 to 25 while the least expensive is in years 0 to 5. D) 10 to 15 while the least expensive is in years 15 to 20.
The concept of ecosystem capital is most likely appreciated by
A) a shrimp farmer in Thailand. B) a lumber company in Canada. C) a marine biologist in Florida. D) owners of a banana farm in Brazil.