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THIS IS SCIENCE--Which of the following was one of the earliest events allowing for the production of oxygen in the atmosphere? Select one: a. Plants photosynthesizing carbon dioxide. b. Bacteria photosynthesizing dissolved carbon dioxide in oceans c. Volcanoes releasing oxygen into the atmosphere

Respuesta :

Answer:

a is correct

Explanation:

Normally plants are said to be the food producers in the ecosystem. This means they existed before the rest of all generations. They indeed are fathers of oxygen production.

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