The two main gases in the air are ____, about 78% and ____, about 21%. There are also small amounts of trace gases, including ____, noble gases such as argon and variable amounts of ____ vapour. Other gases which are present in the air as a result of pollution include sulphur ____, nitrogen ____ and methane. Pollution also puts particles (____) into the atmosphere.

Atmosphric Pollution Starter

autor

Tabela

Vizuelni stil

Postavke

Promeni šablon

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