Worldwide, about 70% of the water withdrawn each year is used for
a. industrial processes
b. cooling towers of power plants
c. irrigation of croplands and raising livestock
d. domestic use
e. water theme parks in tourist areas
C
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Answer the following Volcanoes questions.
1. Calculate the relief for each volcano by subtracting the lower elevation on the transect line from the higher elevation. Enter the relief into Table 20.1.
2. Calculate the length along each transect between the contour lines you used to measure the relief, using the scale bar. You can also calculate the length of each transect by measuring the transect with a ruler and using the written scale to convert it to feet. Enter the length into Table 20.1.
3. Calculate the slope in percentage by dividing the relief by the length. Enter the slope into Table 20.1.
What evidence suggests that dinosaurs were social animals? What will be an ideal response?
Ordinary thunderstorms only last about one hour and begin to dissipate when:a
lightning neutralizes all the electrical charge in the cloud b. when all the precipitation particles in the cloud turn to ice c. when the downdraft spreads throughout the cloud and cuts off the updraft d. when solar heating at the ground begins to decrease
The type of structure shown in this figure is a
A. joint. B. strike-slip fault. C. dip-slip fault. D. normal fault. E. reverse fault.