Question

If the number of photosynthetic organisms on Earth decreased drastically, which would happen as a result? Less water would be available on Earth’s surface. Less solar energy would reach Earth’s atmosphere. More oxygen gas would be found in Earth’s atmosphere. More carbon dioxide gas would be found in Earth’s atmosphere.

Answer 1

More co2 gas would be found in earth’s atmosphere.Because of less oxygen produced by plants
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Answer 2

More Carbon Dioxide Gas would be found in the atmosphere because there would not be enough plants to photosynthesize the Carbon Dioxide that living creatures create.