Which one of the following rocks DOES NOT contain any mineral?
a) Quartz Sandstone
b) Coal
c) Granite
d) Rock salt
e) Peridotite
Ans: b) Coal
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When considering the world population as a whole, birth rates and death rates enable one to calculate ________
A) the causes of infant mortality in a population B) the relative rates of immigration and emigration C) the causes of death in a population D) the proportions of fertile women in a population E) the increase or decrease in the population
The safe movement of hazardous materials by rail or highway in the United States is regulated by
A) individual states and cities. B) the Department of Transportation. C) the regulations of the RCRA. D) the Justice Department.
Most of the energy in China, India, and many other developing countries is produced using _______________ as a fuel
Fill in the blank with correct word.
What city in the Pacific Northwest is known for its innovative environmental protections and livability?
A) Seattle B) Vancouver C) Portland D) Eugene