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Biology 15 Online
OpenStudy (anonymous):

Photosynthesis occurs when _______. a. plants absorb energy from carbon dioxide b. plants absorb energy from sunlight c. oxygen concentration in the atmosphere increases d. all of the above

OpenStudy (anonymous):

B, or A But I'm pretty sure it's B.

OpenStudy (anonymous):

i was thinking b too.

OpenStudy (anonymous):

@KendrickLamar2014 what do you think?

OpenStudy (kendricklamar2014):

Its B

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