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Unlike green bacteria that produce oxygen, the purple bacteria performed a type of photosynthesis that produced sulfur. If the purple bacteria had outlived the green bacteria, how would Earth’s atmosphere be different today?

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Answer:

Explanation:

About 21% of Earth's atmosphere is oxygen, and most of the rest is nitrogen. ... the evolution of Cyanobacteria, a group of single-celled, blue-green bacteria. ... Today, Cyanobacteria can be found almost everywhere on Earth — likely right ... the genetic machinery for photosynthesis that we'd expect to see if they had lost this ...

Answer:

Instead of oxygen, the atmosphere would be rich in sulfur.

Explanation: