The most common geologic setting of diamonds is:

A) crystallization of the water-rich parts of a granite magma, forming pegmatite crystals
B) deposition of minerals by hot waters, such as in a vein
C) replacement of a rock by ore minerals due to hot fluids
D) formation in the mantle and subsequent rise in pipe-like volcanic conduits
E) none of these

What does cost-benefit analysis do? 

A)  It compares the environment damaged compared to environment advantages. 
B)  It analyzes data to determine the most economically efficient course of action. 
C)  It objectively assesses the real costs of doing business. 
D)  It provides bottom-line numbers.

Which of the following is most likely to characterize a sustainable energy future? 

A)  larger, regional power plants 
B)  reducing taxes on fossil fuels 
C)  removing subsidies from renewable energy research and development 
D)  energy management systems

________________________________________ is the development of urban growth to minimize environmental impact.