Kelp forests are composed of large concentrations of ____.
A. algae
B. phytoplankton
C. seaweed
D. trees
E. anemone
Answer: C
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Which of the following phrases best describes the outcome of the Green Revolution?
A) an agricultural disaster, as well as an ecological and social failure B) an agricultural and ecological failure, but a social success C) an agricultural and ecological success, but a social failure D) an agricultural success, but an ecological and social failure E) an agricultural success, as well as an ecological and social success
What happens to the circles in the Lambert projection (and, therefore, to the landmasses) as latitude increases? What causes this distortion of the circles away from the equator? (Once again, compare parallels and meridians.)
What will be an ideal response?
A comparison of ages calculated by carbon-14 analysis with ages known by other means results in
A) a match of the ages, within known uncertainties. B) the calculated ages being older. C) the known ages being older. D) some calculated ages being younger and some older.
Energy use
A. includes much use of biomass in developing countries. B. has been declining in much of the world. C. increased significantly in the richer countries. D. is primarily from alternative energy sources.