Friday, August 10, 2012

Devans= this is for you lesson 4

  • What creates a green house effect? and How?
  • Which is called the green house gas?
  • What will happen if there is no green house gas?
  • Why does it level in the atmosphere increase?
  • What is called Global warming?
  • What happens when there is a rise in  temperature?
  • What causes floods in the coastal areas?
  • What is atmosphere?
  • What is the importance of the atmosphere for all living beings?
  • Which is the mass of air making the temperature on earth as livable?

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