The term urban mine refers to
a. the vast amount of plastic in computer modules that can be recycled
b. a mine located within a city's limits
c. vast amounts of gold, platinum and rare earth metals found in electronic wastes
d. recycling plants in your local neighborhood
e. community gardens that also have recycling plants
C
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________ is being used to produce ethanol and lessen the dependance on oil.
A. Miscanthus grass B. Corn C. Palm oil D. Soybeans E. All of the above are being grown for ethanol production.
Communities of similar organisms found in a particular climate are called ________
A) ecosystems B) pools C) habitats D) ecological communities E) biomes
The transformation of a spherical global to a 2D surface is a
A) map projection. B) scale. C) cone. D) diagram. E) globe.
The boundary between air masses having different temperatures (and hence, different densities) is called a(n) ________.
A) isotherm B) front C) fog bank D) cloud