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Biology 20 Online
OpenStudy (anonymous):

2. Which of the following depends on bacteria? conversion of dead organic matter to fossil fuel photosynthesis dissolution of phosphates from rock nitrogen fixation

OpenStudy (anonymous):

I put my money on D. Read this: http://en.wikipedia.org/wiki/Nitrogen_fixation Also wait for someone else too.

OpenStudy (anonymous):

But cyanobacteria can do photosynthesis, so answer b has also to be correct

OpenStudy (anonymous):

@GeOmEnTrY Is more than one answer allowed?

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