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English 18 Online
OpenStudy (anonymous):

ill give a medal!!!! this is for my English test even tho it sounds like science. 11. the main greenhouse gas is? carbon dioxide nitrous oxide oxygen methane

OpenStudy (haichi):

I think it is methane.

OpenStudy (anonymous):

thanks

OpenStudy (haichi):

np medal?

OpenStudy (haichi):

Thnx

OpenStudy (anonymous):

np

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