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Time to put your thinking cap on and tackle the first question! The atmosphere is comprised of many different gases. What is Earth's atmosphere mostly made of?
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Nitrogen
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Nihonium
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Nickel
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Neon
That's Correct!
It's Wrong!
The correct answer is "Nitrogen". The atmosphere is almost 80% nitrogen and 20% oxygen with about 5% of the atmosphere being comprised of other gases. The five layers of the atmosphere are the exosphere, thermosphere, mesosphere, stratosphere and troposphere.
