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BIOLOGY 2 (Pollution (Global warming, Poles melts-sea leavel increase…
BIOLOGY 2
Pollution
Global warming
Poles melts-sea leavel increase-species disappear-ocean currents-climate changes
CO2- water vapour-
Water treetment plants
Separate smaller particles
separate bigger particles
Kill microogramism
The hidrosphere
Water reserves
3% Fresh water
1% of that is the one we can drink
97 %salt
Properties of water
Solid water floats in liquid water
It have high thermal capacity
Is solvent, high boiling, conduct electricity
POLLUTIO ACID RAIN
Problems
Acid rain
Consequences
Acid rain
Plants died
Causes
Gases
Sulphur
Sulphur acid
Nitrogen
Nitrogen acid
Water cycle
Solid- melting- Liquid- evaporation- gas- condesation- solification