Part of the upper mantle that behaves as a plastic and flows:a
lithosphere d. atmosphere
b. asthenosphere e. core
c. crust
B
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Most present?day fisheries managers ________
A) favor taxes on commercial fishing boats B) favor protection of commercially valuable species and not others C) favor short?term solutions to marine ecosystem problems D) wish to set aside areas of ocean where systems can function without human interference E) want all laws regarding fishing to be abolished
As the amount of global glacial ice decreases, the lower the global sea level.
a. true b. false
Which conventional energy alternative has the highest EROI of any modern energy source?
a. Nuclear power b. Biofuel c. Hydropower d. Natural gas
This graph illustrates ________
A) how supply and demand dictate the price of a product or service B) how the supply of a product or service dictates demand for it C) how price dictates the supply of and demand for a product or service D) how the demand for a product dictates its price