Environmentalist groups tend to prefer ________________ to ___________________.
A. command-and-control regulations; marketable permits
B. marketable permits; pollution charges
C. pollution taxes; marketable permits
D. marketable permits; monetary refunds
B. marketable permits; pollution charges
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The niche of a species is the functional role of that species in the community that it belongs to. Species that have narrow niches (have very specific resource requirements) are said to be ________, while species that have broad niches (able to use a wide array of resources) are known as ________.
Fill in the blank(s) with the appropriate word(s).
Some minerals are economical to mine at lower concentrations because of their higher value to society and relatively low extraction costs.
Answer the following statement true (T) or false (F)
Which areas of the world are already facing and will most likely continue to face the most water scarcity?
A. Arctic and Antarctic B. Eastern and Western Europe C. Asia, Africa and the Middle East D. United States and Canada E. Australia and New Zealand
Large-scale cross-beds (greater than 10 ft. in height) commonly indicate a ___________
sedimentary environment. a. lake d. fluvial b. desert dune e. glacial c. delta