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Mathematics 18 Online
OpenStudy (anonymous):

physics question

OpenStudy (anonymous):

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OpenStudy (anonymous):

My choice:always availabe or renewable, produces little air pollution Similiar choice:large amount of energy from a small amount of fuel,proudces little air pollution ?

OpenStudy (doggy):

i think its "large amount of energy from a small amount of fuel" but i'm not exactly sure, get a second opinion c:

OpenStudy (anonymous):

alright thanks for the perpective dude

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