Early organisms in the Precambrian era converted to oxygen. O A. sulfur dioxide O B. nitrogen O C. water vapor O D. carbon dioxide

Early organisms in the precambrian era converted _Carbon dioxide_ to oxygen.

Explanation:

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for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

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