Natural Resources: Question Preview (ID: 6178)


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Cars with hybrid and electric motors ____.
a) create less air pollution than conventional cars b) use more fuel than conventional cars c) use solar panels for power d) are no longer produced
How is tidal power harnessed?
a) by building a dam across the mouth of a bay or an estuary in a coastal area b) by bombarding uranium nuclei with neutrons c) by tapping into underground steam reservoirs d) by building a dam across a swiftly flowing river
How does nuclear fission produce energy?
a) Uranium atoms get bombarded with neutrons, split, and release energy. b) Moving water turns turbines to produce electricity. c) Uncontrolled nuclear reaction produces heat, driving steam turbines to produce energy. d) Carbon atoms are bombarded by neutrons.
Hydroelectric power is produced by ____.
a) falling water that turns a turbine b) tides that pour through a dam barrier c) hot water that comes from deep underground d) electric current that flows across a dam
In which decade were the first important laws passed to decrease water pollution?
a) 1970's b) 1980's c) 1960's d) 1950's
One problem with wind energy as a major source of electricity is ____.
a) the expense of large tracts of land in populated areas b) it does not work during the night c) it causes major air pollution d) it is nonrenewable
One way that mining for mineral resources damages the land is by ____.
a) increasing soil erosion b) causing salinization (salty soil) c) depleting the world's ozone d) adding greenhouse gases to the environment
Renewable resources ____.
a) can be replenished over months, years, or decades b) have finite supplies that will one day be used up c) are all living resources d) include iron, natural gas, and copper
The advantages of solar energy include the fact that it is ____.
a) non-polluting b) nonrenewable c) absent at night d) expensive
The greenhouse gas carbon dioxide helps to ____.
a) maintain warmth near Earth's surface b) increase precipitation in arid areas c) deflect harmful radiation from space d) form clouds in the atmosphere
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