1 September 2014
Ice is less dense the water! So when it melts ice contracts! This is why the freezing central heating systems crack central heating radiators are open. He ice expands as increases!
The arctic seas go down to -20° C. The maximum density of water is at 3° C. So as ice melts and nose into the seas, it really contracts! Three years ago air we had an Antarctic ice maximum!
For last 200 years global photosynthesis has limited free daytime carbon dioxide levels in the air at only two parts per million! Burning of fossil fuels has increased active life on earth. It is not affected the gas composition of the air.
This is O level physics and biology!
Jonathan Thomason JonThm9@aol.com