actual renewable resources I guess Flashcards
hajubago
what is a renewable energy source
one that can be replaced in nature or by humans in a relatively short amount of time
what is a short period of time generally seen as
than average human lifespan
biomass energy is
a renewable energy resource that is derived form the burning of organic material i.e. wood, alcohol, garbage
what does burning wood result in
the releasing of gasses and small particles that pollute the air
burning of wood causes destruction of natural habitat
wood get cut down
ethanol is
a form of alcohol that can be mixed with other fuels
gasohol is
a mixture of ethanol and gasoline that cuts down down on the amount of fossil fuel needed to produce gasoline
problem with gasohol
the process to make it takes up more energy than it can give back
how much of what is considered garbage can be burned
about 2/3
the burning of waste materials produces
toxic residues and air pollution
burning waste is a cheap source of 1. and reduces that amount of waste in 2.
- fuel
- landfills