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Hydrosphere: Three quarters of the surface of planet Earth is covered by…
Hydrosphere: Three quarters of the surface of planet Earth is covered by water.
Three forms of water: liquid, gas and solid.
The propities of water:
Pure water has no taste, colour or smell.
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H2O is the chemical name for water. Water molecules are composed of two hydrogen (H) atoms and one oxygen (O) atom.
BOILING AND MELTING POINTS, UNIVERSAL SOLVENT,TEMPERATURE REGULATION, DENSITY VARIATION,
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The importance of water:
·WATER AND HUMAN HEALTH
Adult human beings are composed of approximately 63% water. This percentage decreases with age.
·WATER AND CLIMATE
The Earth’s climate zones are determined by the average temperature and precipitation levels that occur in different regions.
·WATER IN LIVING THINGS
Water is of major importance to all living things. In some organisms, up to 90% of their body is made up of water.
·WATER AND LANDSCAPE
Water is the most important external geological agent that modifies the Earth’s surface:
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·The three quarters of the earth are water, this curiosity is very interesting since it is almost impossible to believe that there is so much water in a single planet
Water is very important for us because it benefits us for a lot of things and because without it we could not breathe as there would be no photonsitesis
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