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प्रश्न
Write the benefits of recycling.
उत्तर
- Old newspapers, note books, and magazines are sold to a scrap dealer. They will be made into new paper.
- PET bottles are recycled into plastic threads and used to make sports T-shirts.
- Old glass bottles and broken glass pieces are melted to make new glass.
- Broken metal items like tiffin boxes and plates are melted and made into new metal products like toys.
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संबंधित प्रश्न
Why is Government of India imposing a ban on the use of polythene bags? Suggest two alternatives to these bags and explain how this ban is likely to improve the environment.
What is meant by biodegradable waste materials?
Give two examples of biodegradable wastes.
Which of the following materials are biodegradable?
Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil
Which of the following materials are biodegradable?
Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as ______.
One of the following is not a biodegradable material. This one is :
(a) cotton
(b) animal bones
(c) aluminium foil
(d) wood
Select two non-biodegradable substances from the following waste generated in a kitchen:
Spoilt food, paper bags, milk bags, vegetable peels, tin cans, used tea leaves
Expired medicines, used batteries are domestic hazardous waste.
If you dump kitchen waste in a pit, it may, after sometime
