Answer:
Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity.
Explanation:
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.
Answer:
rocks are formed by chemical compositions including the including minerals in the formation, minerals are a solid substance that are present nature and can be made up of one or more elements combined together called Chemical Compounds.
Answer:
True
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