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water pollution (types of pollution : (surface water pollution, ground…
water pollution
types of pollution :
surface water pollution
ground water pollution
non-point-source pollution
thermal pollution
Point-Source Pollution
3 major sources of pollution
human waste
chemical runoff
industrial waste
definition
contamination of water,generally refers to changes in the quality of water.Usually made by humans
substances that cause water pollution are called pollutants
some pollutants found in polluted water are germs,bacteria,harmful living things,animal waste inclusive of untreated sewage,decaying plant matter,toxic and radioactive waste products,fertilizers,pesticides,poisons,litter and oil from spills
Untreated sewage can carry toxic chemicals
industries cause huge water pollution
they are mainly caused by:
oils,phosphates,petrochemicals,mercury and asbestos
pesticides,fertilizers,household cleaners,industrials,paint and metal are examples of water pollutants
1 more item...
herbicides
used to kill weeds
certain herbicides contain an impurity called DIOXIN which is harmful to us humans
when washed by rainwater into streams and rivers ,it will pollute the rivers and streams
may cause miscarriages in women
eutrophication
accumulation of nutrients in water,which causes algal growth
leads to marine life dying
one of the effects of water pollution
causes....................
growth of algae,overpopulation of algae,covering of water surface,light cannot penetrate into water
submerged aquatic plants cannot acquire sunlight for photosynthesis,death of aquatic plants,extensive usage of oxygen,fishes deprived of oxygen,
measures of pollution control
fertilizers and pesticides should be used in moderation,proper laws should be enforced
preventive measures toward pollution
DISPOSE RUBBISH CORRECTLY "THINK BEFORE YOU TOSS,USE WATER WISELY,DON'T THROW OILS,PAINTS,CHEMICALS AND MEDICINES DOWN THE SINK OR THE TOILET
BUY MORE ECO FRIENDLY PRODUCTS AND PLANT A LOT OF TREES AND FLOWERS AROUND YOUR HOUSE