Question

Name the three processes in which oxygen is used.​

Answer 1

Answer:

Oxygen from the atmosphere is used up in three processes, namely combustion, respiration and in the formation of oxides of nitrogen. Oxygen is returned to the atmosphere by the process called as photosynthesis.

Answer 2

Answer:

Three processes in which oxygen is used;

1. Respiration
2. Combustion and
3. Formation of oxides of nitrogen.

Explanation:

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