Which of the following are the two primary gasses found in the Earth's atmosphere? nitrogen and oxygen nitrogen and carbon hydrogen and carbon carbon and helium

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Nitrogen and oxygen are the main constituents of the atmosphere plus water vapour near the surface. Carbon dioxide is present in smaller amounts butgl of course it can have a profound influence on the climate as global warming has shown, Greenhouse gases include water vapour, carbon dioxide, methane and nitrous oxide. 

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