atmosphere

    Cards (2)

      • oxygen and nitrogen together make up 90% of the atmosphere's volume. the remainder is made up of other partucles and ozones.
    • structure of the atmosphere:
      troposphere- contains all weather systems.
      stratosphere- calmer than the troposphere.
      mesosphere-temperatuires fall rapidly because there is no water vapour, cloud or dust.
      thermosphere- temperatures are very high.
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