earthscisht

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  • Okay! So, here's our 1st Question: What is Atmosphere?
  • The Atmosphere comes from the greek word 'Atmos' meaning "vapour" and 'Sphaira' meaning "sphere". It is a mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds Earth. Atmosphere has five layers namely: Troposphere, Stratosphere, Mesosphere, Thermosphere and lastly Exosphere
  • 5 points for that contestant #1
  • For our next round, what is the importance of our atmosphere?
  • The atmosphere is an important part of what makes earth livable. It blocks some of the Sun's dangerous rays from our skin. It traps heat, making earth a comfortable home.
  • But over the past century, greenhouse gases and other air pollutants released into the atmosphere have been causing big changes like global warming, ozone holes and acid rain.
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