its not.
The reason why fresh water is considered a limited resource is because the large majority of water on earth is saltwater. 97 percent of the earth's water supply is saltwater and only 2.5 percent is fresh water, some of which is snow and ice.
Is there any sea water around the island then it is limited.
They'd all die
Its renewable because the ecosystem collects and purifies the fresh water. Its limited because the earth is only made up of 3% of fresh water and most of the other half is locked up in ice at the Poles.
earth's fresh water can be found in rainfall
Most of the water on earth is salt water.
Of all the water on Earth, around 2.75% of it is fresh drinking water.
Of all the water on Earth, around 2.75% of it is fresh drinking water.
Assuming you mean "How much of the water on Earth is fresh water", about 5% of the water on the Earth is fresh water, as opposed to about 95% salt water. To anser your question directly though, 100% of the fresh water we know about is on Earth. There is some water on other celestial bodies, but I wouldn't exactly call it fresh water.
the demand for fresh water is unlimited, while the resources for fresh water are limited
only 3% is fresh water