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5 Written Questions

5 Multiple Choice Questions

  1. plants & animals take it directly from the air
  2. makes up 78% of the gases in dry air
  3. the layer of gases that surround the planet
  4. necessary for a fire to burn
  5. water in the form of gas

4 True/False Questions

  1. Earth's atmospheremakes conditions on Earth suitable for living things


  2. greenhouse effectthe trapping of heat by the gases in the atmosphere


  3. laboratoriestiny solid or liquid parts of smoke, dust, salt and chemicals


  4. weathermakes up 21% of the gases in dry air


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