What is NOT a valid option to help solve the mineral supply problem in the world?
A) using chemical processes to fabricate minerals from common substances
B) extracting minerals from the ocean (this would require cheap electricity)
C) reducing waste in the extraction and processing of minerals
D) encouraging lower per capita levels of resource use
E) reusing minerals (recycling)
A
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The biggest financial beneficiaries of ecotourism in peripheral countries are
A) the environmental movements in those countries. B) local communities in those countries. C) businesses and firms in core countries. D) the governments of the peripheral countries.
What is the term describing an increase in concentration of toxic substances in organisms at increasing trophic levels?
Biomagnifcation Primary Productivity Predation Bioremediation
What was NOT a feature of the Industrial Revolution?
A) Workers often labored for more than 10 hours a day. B) Child labor was often used. C) Time became a commodity. D) Workers organized into labor unions. E) Conflict between classes was minimized.
________ is the percentage of a rock or sediment that consists of void space.
A. Permeability B. Porosity C. Void index D. Holiness E. Vugosity