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Interesting, this is what I want everyone who is reading this to do.
I want you to get a clear glass
Fill said glass 1/2 full with water
Fill the glass with ice untill the water level is right at the top
Sit said glass out and check periodically
Notice that when the ice melts the water level is the exact same if not lower and here is why.
When you freeze water it expands, it is probably the only substance in nature that does so, everything else shrinks when cold. Water when freezing starts to break down from H20 to H and O molecules which causes some of this swelling.
An object when put in water displaces the same amount of water as the object.
So putting an ice cube in water causes a rise in the water level of a container equal to the volume of the object. This object is ice which is frozen and expanded water which means when it melts it will remain equal or decrease due to that oxygen gas expansion and will both evaporate in the case of the water and the air will enter the atmosphere as O the gas.
What this means is the melting the ice on the planet will not increase the water level on the planet, as a matter of fact it will probably decrease the water levels slightly. The earth is pretty much a closed system due to the atmosphere, the water will evaporate only to condense and fall again, basic physics. It is suprising so many scientists overlook this because they listen to what one person says and then just build on it instead of learning building block principals. The evaporation will cause a higher average of precipitation but only in certain areas.
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