1
Q
5 main types of renewable resources
A
energy from biomass, wind, solar, hydropower, & geothermal
2
Q
average amount of solar energy that shines down on US in one year is _____ times more energy needed than the total energy in the US one year
A
1000
3
Q
only 3% of energy is produced from
A
solar energy
4
Q
photovoltaic cells convert ____ energy from the Sun directly into ______
A
radiant; electricity
5
Q
solar cells are only
A
15-20% efficient
6
Q
electricity produced from energy of moving water
A
hydroelectric
7
Q
hydroelectric power plants are _______ as efficient of fossil fuel power plants
A
twice
8
Q
effiency at producing energy
A
water
wind
solar
geothermic
biomass
IPS
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