The removal of existing dams is motivated by
A) the need for more urban drinking water.
B) the need for more irrigation water.
C) restoration of scenic beauty of rivers and fisheries.
D) the need for more hydroelectric power stations.
C
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Which type of convergent plate boundary results in a chain of submarine volcanoes?
A) oceanic-oceanic B) continental-continental C) continental-oceanic D) ridge-hot spot
"Landslide" is a ____
A)general term for mass movements of earth materials B)specific term for a mass movement of a defined type and speed C)specific term used for mass movements on a volcano D)specific term for the rapid movement of snow and ice downslope E)general term describing various types of creep
List three economic materials that can be profitably extracted from placer deposits
A) Gold, platinum, and tin B) Diamonds, iron, and quartz C) Sand, gravel, and silt D) Granite, basalt, and gabbro
Antarctica is known as the windiest continent on Earth. What is the name of the wind that prevails on this continent?
a. katabatic b. foehn c. sea breeze d. anabatic