actual renewable resources I guess Flashcards

hajubago

1
Q

what is a renewable energy source

A

one that can be replaced in nature or by humans in a relatively short amount of time

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2
Q

what is a short period of time generally seen as

A

than average human lifespan

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3
Q

biomass energy is

A

a renewable energy resource that is derived form the burning of organic material i.e. wood, alcohol, garbage

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4
Q

what does burning wood result in

A

the releasing of gasses and small particles that pollute the air

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5
Q

burning of wood causes destruction of natural habitat

A

wood get cut down

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6
Q

ethanol is

A

a form of alcohol that can be mixed with other fuels

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7
Q

gasohol is

A

a mixture of ethanol and gasoline that cuts down down on the amount of fossil fuel needed to produce gasoline

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8
Q

problem with gasohol

A

the process to make it takes up more energy than it can give back

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9
Q

how much of what is considered garbage can be burned

A

about 2/3

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10
Q

the burning of waste materials produces

A

toxic residues and air pollution

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11
Q

burning waste is a cheap source of 1. and reduces that amount of waste in 2.

A
  1. fuel
  2. landfills
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