The problem of pollution arises in primarily ______________ economies around the world.
A. command-oriented
B. market-oriented
C. middle income
D. both a and b
D. both a and b
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The sun rises at the North Pole on the March equinox and remains over the horizon for the following six months
Indicate whether the statement is true or false
Sulfuric acid and sulfates in the atmosphere are a problem when they
a. are deposited as acid rain b. are deposited in the soil and incorporated into plants as nutrients c. are deposited in ocean waters and return to deep ocean sediments d. are deposited on glaciers in the Arctic e. They are never a problem.
Street-level geocoding refers to:
A. intersection geocoding B. ZIP code geocoding C. address geocoding D. All of these are correct E. Both address geocoding and intersection geocoding
When it is said that waves are out of phase means that they are
A. of different wavelengths. B. of different frequencies. C. out of step. D. of different amplitudes.