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Geography 20 Online
OpenStudy (anonymous):

-Which of the following elements produces no harmful emissions when used as an energy source? *coal *oil *wind *natural gas

OpenStudy (anonymous):

i would have to go with c

OpenStudy (anonymous):

thanks!

OpenStudy (inowalst):

@lifeless Don't just give out answers. @tmf324 If you look at your options, there's one that stands out; wind. It's not harmful at all however the other ones are.

OpenStudy (inowalst):

The other ones are produced in factories that end up polluting the air, making them harmful.

OpenStudy (anonymous):

wind

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