The element krypton was first found in London, England.
Krypton is found in the air on Earth to the extent of about 1ppm
Krypton is a gas that is found in the atmosphere in trace amounts.
Krypton is found in air
The year Krypton was found is 1898
Krypton is a component of the Earth atmosphere.
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Paella is most commonly found in Spain.