• Question: hi then angela im asking why dose the air get dirty ?

    Asked by shannon01 to Alessandro, Angela, Claudia, Marina, Phil on 12 Mar 2013.
    • Photo: Phillip Wilkinson

      Phillip Wilkinson answered on 12 Mar 2013:

      Air gets dirty because of pollution that is mixed in with it, imagine spilling paint into water. Some of this pollution is man made, from car exhausts or factories. However, due to the amount of beef that we eat cow ‘flatulence’ is also a huge contributor as it produces methane.

    • Photo: Claudia Krehl

      Claudia Krehl answered on 12 Mar 2013:

      You can even see it sometimes around big cities when the weather is right. It is called smog then.

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