Wednesday, August 11, 2010

SEWAGE AND WASTEWATER

1) sewage is used as a term for wastewater often contains faeces, urine and laundry waste.
2) there many people on earth, so the handling of sewage is someting that is treated seriously.
3) this major issue on sewage had caused people in developed countries, like singapore, with no access to sanitary conditions and clean water
4) untreated sewage can contaminate the environment and cause diseases such as diarrhoea.
5) sewage from the homes, in developed countries, are carried straight away and hygienically through sewage pipes
6) sewage is treated in water treatment plants and the waste is usually disposed into the sea.
7) sewage is mainly biodegradable and most of it is broken down in the environment.
8)  In developed countries like singapore, sewage often causes problems when people flush chemical and and pharmaceutical (drugs) substances down the toilet. when people gets sick, sewage often carries harmful viruses and bacteria into the environment causing health problems.

No comments:

Post a Comment