One hundred units of coal energy are converted to electricity, which is then used to power an incandescent light bulb that produces 1.2 units of light energy. This results in a 1.2% ________
A) energy return on investment
B) energy conversion
C) energy conversion efficiency
D) consumption
E) energy end-use efficiency
Answer: E
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Factors involved in soil formation are ________
A) erosion, leaching B) frequent wildfires, wind, temperatures above 100 degrees Fahrenheit C) seasonal changes in tides, earthquakes D) nitrogen-fixing bacteria, grazing by herbivores, tropical storms E) weathering of parent material, freezing/thawing, tree roots
Which of these species is the most prone to extinction?
A. grizzly bear B. human C. rat D. cockroach
The maximum amount of a pollutant that a body of water can support without reducing water quality below acceptable levels is represented by ________
A) total maximum daily levels B) total minimum daily loads C) water quality D) total maximum daily loads E) total minimum daily levels
The word that describes the relationship between geography and international relations is ________
A) Geopolitics B) International geography C) Globalization D) Geo-foreign policy