The earliest documented recognition that misuse of the natural environment can have nasty consequences was
A. Plato's writings 2500 years ago.
B. George Perkins Marsh's 1864 publication of Man and Nature.
C. Roosevelt's warnings about overuse a century ago.
D. Rachel Carson's Silent Spring, alerting the public to the dangers of pollution in 1962.
Answer: A
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Ninety percent of our atmosphere lies below an altitude of about:
A) 31 km. B) 65 km. C) 6 km. D) 16 km. E) 100 km.
Which of the following promotes atmospheric condensation and the formation of clouds?
A) Aerosols B) Increasing temperatures C) Decreasing humidity D) A reduction in transpiration
Which of the following spheres is not part of the climate system?
A) Cryosphere B) Asthenosphere C) Hydrosphere D) Biosphere
_______________ is an important force holding soil grains together through static attraction, surface tension, or chemical bonds
Fill in the blank with correct word.