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Biology 7 Online
OpenStudy (anonymous):

The carbon used in photosynthesis comes from: A. coal B. plant tissue C. carbon dioxide D. water

OpenStudy (uh60blackhawk):

what do you think it is

OpenStudy (anonymous):

I am not sure but I think its Either C or D

OpenStudy (uh60blackhawk):

almost it carbon dioxide

OpenStudy (petiteme):

What we exhale :)

OpenStudy (uh60blackhawk):

oxygen XD

OpenStudy (uh60blackhawk):

jk

OpenStudy (petiteme):

Lol It's CO2 :)

OpenStudy (anonymous):

So its C

OpenStudy (petiteme):

Yeah :)

OpenStudy (uh60blackhawk):

yeap it is

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