It is easier to understand why people move from rural to urban, from periphery to core, from Mexico to the United States when one begins to understand___________________.
-manufacturing
-the global economy
-exchange rates
-transportation systems
-politics
-the global economy
Environmental & Atmospheric Sciences
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The United States spans ________ time zones
A) 3 B) 6 C) 12 D) 24 E) 36
Environmental & Atmospheric Sciences
The brown haze in smog is caused by
A. Chlorofluorocarbons B. NO2 C. Particulates D. Sulfuric acid E. Carbon monoxide
Environmental & Atmospheric Sciences
What do climate models predict will happen globally to sea level over the next 100 years?
A. increase B. little change C. decrease
Environmental & Atmospheric Sciences
The following reaction is used to make the polymer described below. What is the other starting material?
A. HOCH2CH2OH
B. H2O
C. H2C CH2
D. HOCH2CH3
E. HOCH2CH2CH2CH2OH
Environmental & Atmospheric Sciences