What is the most important liquid on earth?
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What is the most important liquid on earth?

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Science.

Science.
WATER

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What is the most important liquid on earth? What is the most important liquid on earth? Presentation Transcript

  • What is the most important liquid on earth?
  • Water
    Water for life
    • Water is the most important liquid on earth
    • Three quarters of the earth is covered by water
    • Two thirds of the human body mass is water
  • Structure of H2O:Model of hydrogen bondsbetween molecules of water
  • Polarity
    Capillary action-movement of water along a narrow tube allows absorption of water in plants
  • Density
    Ensures that in winter organisms/animals can still survive in water as it does not freeze
  • Universal solvent, cohesion and adhesion properties
    Transporter in digestion and a good buffer
  • In summary
    Water is life
    No water No life