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5 Written questions

5 Multiple choice questions

  1. plants & animals take it directly from the air
  2. a place pure air is found
  3. tiny solid or liquid parts of smoke, dust, salt and chemicals
  4. makes up 78% of the gases in dry air
  5. necessary for a fire to burn

4 True/False questions

  1. oxygenmakes up 21% of the gases in dry air

          

  2. weathercondition of the Earth's atmosphere at a particular time and place

          

  3. Earth's atmospherethe layer of gases that surround the planet

          

  4. water vaporcondition of the Earth's atmosphere at a particular time and place