Advertisements
Advertisements
प्रश्न
The question has four options. Choose the correct answer:
Sewage is broken down in
विकल्प
primary treatment
secondary treatment
tertiary treatmen
all the above
Advertisements
उत्तर
secondary treatment
APPEARS IN
संबंधित प्रश्न
Give a method for the disposal of household wastes such as left-over food, fruit and vegetable peels, and leaves of potted plants.
The question has four options. Choose the correct answer:
Sewage sludge is used as
Choose the correct option:
The rotting of garbage is said to be completed when the garbage:
What type of garbage is thrown in green bins?
Why should we not bum dried plant leaves and husk? What is the best way to get rid of them?
What will happen if garbage is left open in bin?
Write 3 sentences on what comes to your mind when you chance to see the following.
A rag picker
Some wastes are given below:
- Garden waste
- Ball point pen refills
- Empty medicine bottles made of glass
- Peels of fruits and vegetables
- Old cotton shirt
The non-biodegradable wastes among these are ______.
Which of the following is non-biodegradable?
