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2w ago

Oxygen must be at least 16% of the atmosphere to sustain the burning process. Below this level, fires may not be able to burn efficiently or sustain themselves.

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Q: What minimum oxygen must be what percentage of the atmosphere to sustain the burning process?
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At a minimum what oxygen must be what percentage of the atmosphere to sustain the burning process?

16%


What does S. P. E. E. D. stand for in fire?

At a minimum, oxygen must be what percentage of the atmosphere to sustain the burning process?


What does s p e e d stand for?

At a minimum, oxygen must be what percentage of the atmosphere to sustain the burning process?


What process has changed the percentage of nitrogen in the atmosphere?

Nitrogen has been present forever. It is the most abundant gas. Industrial revolution has changed it's concentration.


What is the major process which adds CO2 to the atmosphere?

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By what process is the carbon in fossil fuels released into the atmosphere?

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What process is the carbon in fossil fuels released into the atmosphere?

Burning of the fossil fuels releases the carbon dioxide.


What process caused the atmosphere's composition to change so much?

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What process was primarily responsible for the development of the present percentage of free oxygen in the Earth's atmosphere?

photosynthesis


What is the process called when carbon enters the atmosphere?

The process is called carbon emissions, where carbon is released into the atmosphere by sources like burning fossil fuels, deforestation, and industrial processes. This can contribute to the greenhouse effect and global warming.


How will burning be affected if nitrogen is not in air to act as a diluent for oxygen?

Nitrogen being diluent for the gases in our atmosphere reduces the combustion process as it dilutes the oxygen in the atmosphere, otherwise every combustion process will be very rapid and will start with a bang. :)


What processes increase carbon dioxide and oxygen in the atmosphere?

Processes that increase carbon dioxide in the atmosphere include burning fossil fuels, deforestation, and industrial activities. Photosynthesis by plants and algae is a key process that increases oxygen in the atmosphere.