The H2O (water) is an abundant substance on our world and covers seventy-one percentage of the surface of the earth. World water consists of 3 percentages freshwater and ninety-seven percentage seawater and all living beings require H2O in order to live.

What is Water

As a matter of fact, they're mostly comprised of H2O. The H2O is as well significant for other causes: - as a factor of erosion it alters the morphology of the earth and it acts as a buffer against extreme global climate change when present as a water large body and it helps dilute pollutants on our Earth.

Features of Water

1. The H2O is a liquid at room temperature and over a comparatively wide range temperature and this wide range covers the annual mean temperature of most environments of biological.


2. The comparatively large amount of energy (vitality) is required to advance the temperature of H2O (that is., It's a high capacity of heat). Since a result of this belonging, the large bodies of water play buffers against extreme wavering in the climate (clime), the H2O makes as a coolant in fantabulous industrial and it helps protect living beings against unexpected temperature changes in the Earth.

3. H2O has a very high heat of evaporation. H2O vaporization helps distribute heat all over the world; water provides a being (organisms) with the means to dissipate unwanted high temperature.

4. H2O is a good solvent and supplies a good medium for chemical reactions (responses) letting in those that are biologically significant. H2O carries foods to an organism's flushes and cells away waste material and it allows the flow of ions essential in animals for nerve and muscle functions.

Ground Water

The ground water is a precipitation that passes through the ground and becomes trapped in pores and cracks of the rock and soil.


The aquifers are the porous layers of rock and sand through which groundwater flows.

Next Chapters

Conservation of Energy
Organism, Bacteria and Virus
Energy & its Types
The Volcanoes
Rock Cycle
Food Resources
Renewable Sources of Energy
Irrigation and Types of Irrigation
Population Growth
Non-renewable Sources of Energy
Ozone Depletion
Soil Erosion

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