What gas do humans breathe out that plants use for photosynthesis?

Help plz

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement