Anúncios
1
What is the main cause of water pollution?
Contamination by pollutants and sewage
Contaminatios by sewage
Contaminatios by pollutants
2
The human being has caused all this damage to nature through what?
Sewerage and industrial chemical waste
Waste; Sewerage and industrial chemical waste
Waste and sewerage
3
What are the problems caused by water pollution?
Diarrhea; hepatitis and typhoid
Diarrhea and hepatitis
Hepatitis and typhoid
4
What are the main water pollutants?
Cooking oil; Garbage; Heavy metals; Petroleum; Fertilisers and Domestic sewage systems
Cookink oil; Garbage and Petroleum
Cooking oil; Garbage and Heavy metals
5
Why is water so important?
Because without water out life wouldn't exist
Cause without water we would't live
Cause without water we wouldn't work
6
The microorganisms are eliminated from the water through the...
Decanting
Distilling
Disinfection and boiling
7
What tips to decrease water Pollution?
Do not litter rivers, beaches and lakes; Do not pour domestic sewage into streams
Do not litter rivers, beaches and lakes; Do not pour domestic sewage into streams; do nor pour chemicals into the water and do not dispose of frying oil in the sewer
Do not pour domestic sewage into streams and Do not litter rivers, beaches and lakes
