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Which of Earth’s spheres is composed of a mixture of gases?
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Which of Earth’s spheres is composed of a mixture of gases?

User Fatime
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Answer:

Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air. Step-by-step explanation:

User Adnan Amjad
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7 votes

Answer:

the earth's atmosphere

Step-by-step explanation:

hope that helps

User Zachary Murray
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