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marta [7]
3 years ago
11

Cyanobacteria are believed to generate the majority of oxygen gas in Earth’s atmosphere. What allows them to produce oxygen?

Geography
1 answer:
andreev551 [17]3 years ago
4 0

Answer:

b. photosynthesis in which water photolysis produces H , e , and O2 is the correct answer.

Explanation:

  • Cyanobacteria is the oxygenic microbes that produce oxygen by a process called photosynthesis.
  • Photolysis is the process  by which water molecules split into oxygen and hydrogen during the light reaction of the photosynthesis process.
  • Cyanobacteria produce their food by photosynthesis.
  • Cyanobacteria has chlorophyll that converts carbon dioxide to sugar by carbon fixation.
  • Cyanobacteria perform photosynthesis by using carbon dioxide, sunlight, and water to produce oxygen and carbohydrates.
  • Thus cyanobacteria utilize the energy from light to split the water molecule and produces H, e , and O2.

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