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प्रश्न
The question has four options. Choose the correct answer:
A huge quantity of sewage is dumped in a river. The BOD will
पर्याय
increase
decrease
slightly decrease
remain unchanged
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उत्तर
increase
APPEARS IN
संबंधित प्रश्न
Write note.
Industrial waste
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
Mention whether the following statement is true (T) or False (F).
Some of the electronic wastes may contain valuable metals such as copper.
What does mining waste comprise of?
Choose the correct option:
The rotting of garbage is said to be completed when the garbage:
Municipality provides two types of dustbins for garbage collection. One coloured with blue colour and other with green colour. From following wastes which you will put in the which dustbin?
Plastic materials, metals and glass items, wastes of plants and animals, peels of fruits and vegetables, dried leaves and twigs, remains of meat like flesh and bones.
Which of the following is biodegradable?
A garbage collector separate items mentioned below in the garbage into red, green and blue containers for their transfer to landfill, composting pit and recycling unit respectively.
Items:
- Plastic bags
- Newspaper and journals
- Screw and nuts
- Vegetable peels
- Metal chips
- Egg shells
Which items were transferred to which bin?
Define the following term:
Waste
