What is most of earths water used for?

Most of our freshwater is ice, ice is huge about 90% of it is under water meaning when you look at it your not seeing the whole thing

If we move a huge pice of ice from Antartica than it will make where we take it freezing because of how big it is and aNTARTICA might become hot!

I Don't know if Antartica is spelled right but whateves