Question

Why is water so less on earth

Answer 1

Answer:

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Explanation:

Very little. Only 2.5% of all the water on Earth is fresh water and more than 97% is saltwater. ... This means that only 0.3% of all fresh water on the planet is readily available as surface water in lakes, swamps, rivers and streams (Gleick, P. H., 1996: Water resources. In Encyclopaedia of Climate and Weather).

Answer 2

Answer:

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Explanation:

Although water covers 70 percent of the Earth's surface, water is actually a rare substance that represents just 0.05 percent of the Earth's total mass.

Although water covers 70 percent of the Earth's surface, water is actually a rare substance that represents just 0.05 percent of the Earth's total mass.Water has nevertheless played a crucial role in the emergence of life on Earth. Without water, the Earth would in all likelihood be a dead planet.

Although water covers 70 percent of the Earth's surface, water is actually a rare substance that represents just 0.05 percent of the Earth's total mass.Water has nevertheless played a crucial role in the emergence of life on Earth. Without water, the Earth would in all likelihood be a dead planet.The amount of water on the planet has not always been the same, however. A research group at the Natural History Museum of Denmark has discovered this by measuring how hydrogen isotope ratios in the oceans have changed over time.

First of all only 2.5% of earth's water is fresh water .ofcourse , making salt water is drinkable is possible , but insufficient due to Earth's population (it's pricey!)

Now,68.7% of fresh water on earth is in the poles ,frozen .

Now,30.1% of the fresh water is ground water .The name is a bit sneaky :its not on rhe ground .And not necessarily underground springs ,but even just moist dirt and such.SO what about the water left 0.0003% water on the earth ?

well !,20.58% of that is lake and rivers -usable water. The rest---

• ice and frozen ground
• atmosphere
• living things

That's pretty much it .

It’s remarkable to think that the global population and all living species are supported by such a small amount of all the water on the planet! For how much longer will this be the case?

Water is constantly circulating around the planet in a system called the ‘hydrological cycle’. Watch the following video to learn more about how water makes its way around the world and contributes to the presence of different ecosystems across the planet.