According to Figure 17.9, which of the following materials would you expect to have the most sufficient porosity and permeability and be able to provide water in useful quantities?
A) granite
B) sandstone
C) limestone
D) sand
Answer: D
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Isostasy is
A. the buoyant force exerted on the mantle by continental crust. B. the positioning of the crust in response to the buoyant force and gravity. C. the buoyant force exerted on the mantle by oceanic crust. D. the force of gravity acting on the crust.
At the 2008 Olympics the Ethiopian runner Kenisa Bekele won 1.00 x 10^4 meter run in 27 minutes, 1.17 seconds. What is this speed in miles per hour? [1 mile = 1.609 km]
A) 1.38 mph B) 2.30 mph C) 12.3 mph D) 13.8 mph
Horns and cirques are typical features in
A) a till plain deposited by continental glaciers. B) a mountain range that was sculpted by alpine glaciers. C) unsorted glacial deposits left by continental glaciers. D) loess deposits that have been heavily sculpted by wind action
Which of the following describes how the funnel cloud characteristic of a tornado is principally formed?
A. Clouds are funnelled by downward air currents coming out of a cumulonimbus cloud. B. Dust and dirt is picked up from the atmosphere. C. Water vapour in the air is condensed and drawn into the low-pressure core of the tornado. D. Water is drawn up from the sea surface into the cloud.