If we are to follow nature's three scientific principles of sustainability (introduced in Module 1, p. 25-26), which should we start relying on more to meet our needs?
A. Renewable energy sources
B. Nuclear energy
C. Fossil Fuels
D. Non-renewable energy sources
Answer: A
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An amino acid is an organic molecule that contains both an amine group and a carboxyl group. At neutral pH, which structure is most likely?
A. structure (a) B. structure (b) C. neither structure D. both structures
The position that nature deserves to be protected in its own right is called
A. environmentalism. B. utilitarian conservation. C. global environmentalism. D. biocentric preservation.
What prevents North Atlantic Deep Water from moving on a large scale like the Antarctic Bottom
Water? a. The density of the water b. The topography of the basin c. The composition of the sediments d. The salinity of the water
Greenland's glaciers contain enough water to raise the global sea level by ____ if all of it melts.
A. 8 millimeters B. 2 centimeters C. 30 centimeters D. 7 meters E. 130 meters