by Daniel Clark | Dec 30, 2020
United Nation Day marks the entry into force in 1945 of the UN Charter and the coming into being of United Nations (UN). Then 50 states and now made up of 193 Member States, the UN undertakes the following: Maintains International Peace and Security by working to...
by Daniel Clark | Dec 30, 2020
As explained by the National Aeronautics and Space Administration, ozone is a gas made up of three oxygen atoms (O3) that occurs naturally in the upper atmosphere — called the stratosphere and at 10-50 kilometres altitude. In the lower atmosphere (the...
