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Q: Together, respiration and photosynthesis keep the levels of carbon dioxide and oxygen in the atmosphere A. fairly constant. B. constantly changing. C.
constantly increasing. D. constantly decreasing
A: C. constantly increasing.
Expert answered|badgerpoe|Points 330|
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Asked 6/29/2011 1:44:45 AM
Updated 6/29/2011 2:02:13 AM
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C. constantly increasing is a right.
Added 6/29/2011 2:02:13 AM
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An example of chemical work is A. moving a muscle protein. B. pumping solutes across a membrane. C. building a large molecule. D. none of the above.
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Updated 72 days ago|2/13/2018 1:27:20 AM
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An example of chemical work is building a large molecule.
Added 72 days ago|2/13/2018 1:27:20 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [2/13/2018 1:41:28 AM]
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