Atmósfera

The Earth's atmosphere consists of 78% nitrogen, 21% oxygen, and small amounts of other gases. It becomes thinner with increasing altitude. Although there's no strict boundary, the atmosphere's upper limit is generally accepted to be at 100 km.

What are the main components of the Earth's atmosphere?

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What percentage of the Earth's atmosphere is made up of nitrogen?

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Name two other gases found in the Earth's atmosphere besides nitrogen and oxygen.

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How does the thickness of the atmosphere change with altitude?

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What is the accepted upper limit of the Earth's atmosphere?

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