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THE HYDROSPHERE (Properties of water (Water molecules are held together by…
THE HYDROSPHERE
Properties of water
Water molecules are held together by bonds
H2O means water
Water = 2 atoms of hydrogen and 1 atom of oxygen
Temperature regulation
Boiling and melting points
Universal solvent
Density variation
Distribution
Liquid
Fresh water
Brackish water
Salt water
Inland water
Liquid: 97.79% Solid: 2.2% Gas: 0.01%
Solid
Polar ice
Glaciers
Gas
Cycle
Transpiration
Evaporation
Surface runoff
Condensation
Infiltration
Precipitation
Treatment
Collection
Purification
Pollution
Biological pollution
Chemical pollution
Polluted water is unusable because its properties have been changed by pollutans
Physical pollution
Importance
Smooth the temperatures
Human health
Is the main component of the living things
Transport heat between regions
Landscape