Advertisements
Advertisements
Question
List the three major constituents of sewage.
Solution
- Kitchen wastes
- Sanitary waste
- Waste from agricultural lands
APPEARS IN
RELATED QUESTIONS
Do you know of any activity which may be polluting this water source?
_________ is used for desalination of brackish water.
Study the picture given below and answer the following questions :
Water pollution
What are the common sources of oil spills?
Give a reason why :
Polluted water causes disease.
With reference to the sources of water pollutants answer the following question:
In what way does the industrial waste pollute water?
Water pollution can spread ________ diseases in man.
Which of the following is a water pollutant?
Phosphate containing fertilisers cause water pollution. Addition of such compounds in water bodies causes:
(i) enhanced growth of algae.
(ii) decrease in amount of dissolved oxygen in water.
(iii) deposition of calcium phosphate.
(iv) increase in fish population.
Hot water discharged into water bodies hardly affects the fish and other aquatic life.