Rain forests __________.
A) are home to as many as half the world's total species and slow down global warming
B) exist primarily in wealthy states
C) are frequently protected from agricultural use
D) are located within the borders of states and are therefore domestic private goods rather than collective goods
Nonterritorial waters are called __________.
A) open ocean
B) high seas
C) unclaimed seas
D) disputed waters
Why was the U.S. Clean Air Act revised in 1997?
A) To put stricter rules in place
B) By order of the WTO in order to allow for fair competition from Venezuela and Brazil
C) To act as a nontariff barrier from competing industries in other states
D) In order to appease environmental groups
As early as the late 1980s, states had much more success in negotiating agreements and developing regimes to manage the ozone layer than __________.
A) increased levels of whaling
B) deforestation
C) melting of the polar ice caps
D) global warming
How do greenhouse gases bring about global warming?
A) When there are large amounts in the atmosphere, they heat the surface of the Earth as they become heated by the sun.
B) They allow solar radiation to reach the Earth's surface.
C) They trap heat waves given off by the sun.
D) They create holes in the atmosphere, allowing in more ultraviolet radiation.
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