Problem: Early cyanobacteria evolved a form of photosynthesis that permanently changed the Earth’s atmosphere by releasing which of the following gases? a. carbon dioxide b. nitrogen c. oxygen d. ozone e. carbon monoxide

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Early cyanobacteria evolved a form of photosynthesis that permanently changed the Earth’s atmosphere by releasing which of the following gases?

a. carbon dioxide

b. nitrogen

c. oxygen

d. ozone

e. carbon monoxide

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Photosynthesis concept. You can view video lessons to learn Photosynthesis. Or if you need more Photosynthesis practice, you can also practice Photosynthesis practice problems.

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