Question

Name three processes in which oxygen is used?
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Answer 1

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Processes That Use Oxygen

Breathing - The scientific name for breathing is respiration. All animals and plants use up oxygen when they breathe. ...

Decomposing - When plants and animals die, they decompose. ...

Rusting - This is also called oxidation. ...

Combustion - There are three things needed for fire: oxygen, fuel, and heat.

Answer 2

Answer:

Combustion, respiration and in the formation of oxides of nitrogen.

Respiration

What are the three processes by which oxygen from the atmosphere is used up? Respiration- All animals and plants use up oxygen when they breathe. Combustion -When things burn, they use up oxygen and replace it with carbon dioxide. Rusting - This is also called oxidation