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प्रश्न
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
उत्तर
Municipal sewage is first separated into degradable and non-degradable wastes because degradable wastes can be broken down into non-toxic waste in septic tanks, while non-degradable waste needs to be dumped or buried at safe places to avoid any hazardous effects.
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संबंधित प्रश्न
Identify biodegradable waste from the following:
peels of vegetables and fruits, metallic cans, broken plastic toys, broken glass cover, grass, paper, ball point pen refill
Multiple Choice Type:
The most rapidly increasing and much harmful waste today is
Match the items in Column I with as many times as possible in Column II.
|
Column I |
Column II |
|
1. Cow dung |
(i) Sugarcane |
|
2. Bagasse |
(ii) Raddiwalas |
|
3. Old newspapers |
(iii) Manure |
How is sewage water treated?
The question has four options. Choose the correct answer:
Continuous sewage flow into a stream would lead to
Discuss:
Is garbage disposal the responsibility only of the government?
To what use can you put the following kind of garbage and how?
dry leaves collected in a garbage
To what use can you put the following kind of garbage and how?
old newspapers
Write 3 sentences on what comes to your mind when you chance to see the following.
A cow eating a polythene bag.
