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Biology
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3. What is the source of the carbon dioxide that is used in photosynthesis?

sunlight

the soil

the atmosphere

the plant

Oct 29th, 2015

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Thank you for the opportunity to help you with your question!

The atmosphere

Please let me know if you need any clarification. I'm always happy to answer your questions.Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 29th, 2015

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