For most of human history, and in developing countries today, the major source of energy has been
A) natural gas.
B) oil.
C) wind.
D) muscle power.
D
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After neutralization, the corrosive properties of an acid and base
A. are doubled because the acid and base are combined in the salt. B. are unaffected because salt is a corrosive agent. C. remain the same when the salt is mixed into water. D. are neutralized because the acid and base no longer exist.
All of the following must be assessed when making a land use plan EXCEPT:
A. the purchase of land suitable for development. B. the geologic nature of the area. C. transportation issues. D. the cost of implementing the plan.
The elastic rebound theory fails to explain some earthquakes because:
a. the surface breaks are not elastic in nature b. elastic rebound only occurs during large-magnitude earthquakes c. the theory does not explain earthquakes of tensional failure at divergent plate boundaries d. plastic deformation is more likely than elastic for deeper earthquakes
Hetch Hetchy provides the residents of San Francisco with ________
A) forest for recreation B) lakes for fishing C) water for drinking D) wilderness habitats E) miles of biking and hiking paths