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Chapter 13 Renewable Energy

Chapter 12
Across
Potentially renewable + nondepletable
Ethanol and biodiesel
Hydroelectricity without impoundments
A rate system where costs increases as use increases
Ability of a material to retain heat or cold
US is world leader in its production
Convert sunlight into electricity
Carbon from fossil fuels
Biomass is an example
Activities that don't change carbon concentrations
93% of US energy use in 2008
Down
Solar, wind, geothermal's share of global energy use 2007
Energy from heat within the earth
Splits water into hydrogen and oxygen
Capture tidal energy
Energy from the kinetic energy of moving water
Kinetic energy of moving water
Vehicles that can run on E-85
Solar and wind are examples
Resources with a finite amount
A way to save home energy
Produced on Roosevelt Island, NY
Carbon from biomass