Which of the following bacteria are able to release oxygen into the environment?

Correct answer: C. Cyanobacteria

  • A. Saprotrophic bacteria
  • B. Parasitic bacteria
  • C. Cyanobacteria
  • D. Pathogenic bacteria

Explanation

The answer is tiny organisms known as cyanobacteria or blue-green algae. These microbes conduct photosynthesis using sunshine, water, and carbon dioxide producing carbohydrates and oxygen.

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