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Importance of water
As a solvent
Composition of cells
Thermoregulation
Buoyancy
Transport medium
Surface tension
Chemical reactions

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Versality as solvent
-Water is a universal solvent
-Substances can easily dissolve in water

Composition of cells
-80% of a cell is composed of water

Thermostasis
-absorb and release heat with only a slight change in its own temperature

Expansion with freezing
-Ice can float
-helps animals not to sink in water

Cohesion and adhesion
-helps in transport against gravity in plants

Surface tension
-helps insects move on water surface

Chemical reactions
-help in some chemical reactions by adding or extracting water

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“The importance of water for biological organisms”