________ give(s) us more evidence of the beginning and ending times of glacial episodes than the direct study of glacial deposits.
A. Folklore
B. Location of meteorites on the Antarctica ice sheet
C. Deep ocean sediment
D. Sea level changes
E. Satellite imagery
Answer: C
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Only 2% of the earth's land surface is covered by terrestrial biodiversity hotspots. How many of the world's flowering plant species live in these hot spots?
A. 0.5% B. 2% C. 12% D. 30% E. 50%
Efforts among Southeast Asian governments to reduce the problems associated with urban primacy include this country's efforts to promote economic growth in the city of Cebu.
A) Philippines B) Singapore C) Indonesia D) Malaysia E) Thailand
Define water pollution, point source, and nonpoint-source pollution. Explain which of the two (point source or nonpoint source) is more difficult to regulate and currently poses the greater threat to freshwater resources?
What will be an ideal response?
Consider the population situation in Italy or Japan: very low birthrates, an aging population, and an eventual decline in overall numbers. What policies would you recommend to these countries, assuming their desire to achieve a sustainable society?
What will be an ideal response?