Which of the following is not included in the calculation of the GNP of a coal mine?
A) The cost of fuel to run the mining equipment
B) The cost of health benefits for the workers
C) The gradual breakdown and need for replacement of the equipment
D) The depletion of coal from the mine
D
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Rats are examples of ____________________ because they reproduce and disperse rapidly and produce many offspring to ensure survival of the species.
Fill in the blank(s) with the appropriate word(s).
The feeding interactions among species in a community are best described as a(n) ________
A) energy flow B) succession C) trophic level D) food web E) trophic cascade
Which of the following is NOT a barrier to international trade and flows of factors?
A) infant industries B) distance C) if a firm is a satisficer D) protectionism E) tariffs
One month after statewide water restrictions were put in place in May 2015, Californians ________
A) ignored the restrictions and continued to use water at the same rate B) reduced their residential water use by almost 30% C) reduced their residential water use by almost 10% D) complained to their state legislators and were able to overturn the draconian water restriction policies E) actually increased their residential water use by 5% compared to data from the previous year