Maximum tides occur once every ________ years when Earth is closest to the Sun, the Moon is closest to the Earth and the Earth-Moon-Sun system is aligned
A) 16
B) 160
C) 1600
D) 3300
E) 16000
C
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What is the compound that forms if you react potassium and sulfur?
A. SP B. K2S C. PS2 D. KS E. SkP
High death tolls from earthquakes are generally due to
A) people living in areas with high risks for earthquakes. B) high population densities. C) substandard construction practices. D) All of these are correct.
What did geologists discover from studying the aftermath of the 1964 Alaskan earthquake?
A) Some parts of the coastline were uplifted and others subsided.
B) Changes in elevation were not systematic, occurring randomly over the area.
C) There was no good explanation for large waves that resulted from the earthquake.
D) Fissuring of the ground and ice was limited to an area very near the epicenter.
Should government spend billions of dollars developing new, cleaner ways to burn coal?
a. Yes, it is worthwhile. Coal is an abundant resource that can help meet our nation’s energy demands. b. Yes, but money should also be spent developing renewable energy resources. c. No. We should discontinue burning coal immediately. d. No. I believe that coal companies should finance cleaner technology, not the government.