Today, environmental regulations in the United States
A) require substantial scientific support and strong political efforts.
B) require only substantial scientific support.
C) are hopeless, with little support remaining and general reversals of many policies and regulations.
D) are simply a matter of politics, with little effort to involve science and scientific data.
A
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The world population is estimated to grow to what size by 2050?
A) over 2 trillion B) 7.4 billion C) 9.8 billion D) 200 billion E) 700 million
Desertification of North America's drylands is primarily the result of
A) plowing for crop production. B) livestock grazing. C) fires and the use of modern irrigation systems. D) global climate change.
Compare and contrast how the formation of biochemical sediments differs from the formation of inorganic sediments. (Note: The term inorganic sediments refers to those formed in chemical sedimentary rocks.)
What will be an ideal response?
What precipitation type is typically caused by mountains or highlands?
a. convectional b. frontal c. orographic d. anticyclonic