• Question: What would happen if the world lost some of its pressure in the oz layer

    Asked by MoFarah to Tom, Imogen on 17 Mar 2015.
    • Photo: Thomas Barrett

      Thomas Barrett answered on 17 Mar 2015:

      Ok that is two questions rolled into one.

      First if we dropped the pressure on Earth a little then it would be slightly colder. Water would also boil easier, which could be very bad as we are made up around 70% water!

      The second is what would happen if we lost the ozone later.

      The ozone layer refers to a region of Earth’s stratosphere that absorbs most of the Sun’s ultraviolet (UV) radiation. If we lost this layer then we would get a lot more UV rays (particularly UV-C) which is very harmful to all living things.

      Mars doesn’t have an ozone layer the UV rays have sterilized the surface of the planet so basically impossible for life to be on the surface of mars.

    • Photo: Imogen Napper

      Imogen Napper answered on 17 Mar 2015:

      If the earth lost some of its pressure, our bodies would react.

      The best way we can look at this is how deep sea creatures live under immense pressure at the moment, then when they are brought up to our sea level to study there is less pressure and their bodies can’t handle it, as they have adapted to the high pressures deep down.

      Our bodies wouldn’t be able to handle it, as we have adapted over thousands of years to the pressures the Earth is at currently.

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