Advertisements
Advertisements
प्रश्न
The question has four options. Choose the correct answer:
Sewage water is purified by
विकल्प
microorganisms
light
fishes
aquatic plants
MCQ
Advertisements
उत्तर
microorganisms
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
What is meant by incineration? for what purpose is it used?
Differentiate between degradable and non-degradable type of waste.
Give a reason for the following :
Landfills are coming up fast near large cities.
Give two examples of domestic wastes.
What type of garbage is thrown in green bins?
What things does waste contain?
Write 3 sentences on what comes to your mind when you chance to see the following.
A rag picker
What is meant by garbage?
Give two examples of Biodegradable wastes.
Define the following term:
Pollution
