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It not being certain of what amount or percentage is considered a "major" or "minor" gas, I have chosen to give the list of known gases in significant quantities:

Hydrogen gas- 83%

Helium gas- 15%

Methane gas- 2%

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13y ago
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9y ago

The minor gas in Neptune is Helium and the major gas is Hydrogen. Neptune is composed of Methane, Hydrogen Deuteride and Ethane.

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13y ago

major gases- hydrogen and helium

minor gases- methane and ammonia

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9y ago

major gases-helium, hydrogen

minor gases-methane

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11y ago

major gases- hydrogen and helium

minor gases- methane and ammonia

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Anti Meryck

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3y ago

thx for the "Free" A :)

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Q: What are the major and minor gases on neptune?
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