Evaporation.
Yes, human activities such as industrial waste, agriculture runoff, and improper disposal of pollutants can significantly contribute to the pollution of Earth's fresh water supply. This pollution can impact ecosystems, human health, and water quality. Implementing sustainable practices and regulations can help mitigate this problem.
Bahrain
sometimes
No 90% of there water is poisonous.
87% of the world's fresh water supply is used in agriculture -- mostly to water crops.
Yes, the poor in Rome had a fresh water supply. There were numerous fountains all over the city where water was free for the taking.
"The Antarctic Icecap is the largest supply of fresh water, representing nearly 2% of the world's total of fresh and salt water." Source: http://www.infoplease.com/ipa/A0004674.html
Unlimited supply of fresh water
The total amount of Earths total water supply that is usable fresh water is less then two percent. The rest is salt water or pond water.
canada
Mostly