Ch.4

Give an example of a renewable resource
wind,H2O,solar energy
Renewable resources are
replenished over short time span
Give an example of a nonrenewable resource ?
coal,copper,uranium,gold
What are the stage of development of coal ?
Peat,lignite,bituminous,anthrocite
Placer deposits form when ?
eroded minerals settle quickly from moving H2O while less dense particles remain suspended and cont to move
What is a nonmetallic mineral resource ?
mined as a profit
Give an advantage of solar energy ?
free and non-polluting
Hydroelectric power is produced by ?
falling H2O drives turbines that produce electricity
What is the source of geothermal energy ?
harnessed by tapping natural underground reservoirs of stream and hot H2O
How is tidal power harnessed ?
Constructing a dam across mouth of bay or estuay in coastal areas with large tidal ranges
According to figure 4-2 what is the single largest source of air pollutants ?
Carbon Monoxide
One way that mining for mineral resources damages the is land is by
destroying soil
in which decade were the first important laws passed to decrease water pollution
1974
The clean water act is
reduce point source pollution into surface H2O
What is the most important law passed to deal with air pollution ?
Clean Air Act 1970
Wind power generates what type of pollution ?
Noise
Fossil fuels are ____ resources
nonrenewable
Coal,petroleum,and natural gas are _____
fossil fuels
A ___ is a useful metallic mineral that can be mined at a profit ?
ore
Wind farms are used to produce ____
electricity
The ________ act requires industries to reduce or eliminate the release of point source pollution into surface waters ?
clean H2O
the nations most important air pollution law is the ______Act
Clean air
The element ____is used in nuclear fission to produce energy
uranium
Describe the difference between renewable and nonrenewable resources ?
Renewable resources are short time
Nonrenewable resources are millions of years
Beginning with plant material,list the successive stages of coal development ?
peat,lignite,bituminous,anthrocist
List two of the advantages of solar energy ?
tree and non-polluting
List the advantages and disadvantages of wind as a source of electricity .
5-10% electricity/noise pollution
Contrast point source pollution and nonpoint source pollution
Source pollution is specific location and nonpoint source is no specific location