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Differentiate between degradable and non-degradable type of waste.
List the biodegradable and non-biodegradable waste products in your school What are the best ways to get rid of this garbage?
Observe the bins and waste material heaps and suggest what materials can be used for preparing handicrafts materials.
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.
First link in any food chain is usually green plants because ______.
The steps required for conversion of kitchen garbage into manure are given below in a jumbled form.
- Put garbage in a pit
- Cover the bottom of the pit with sand
- Cover the pot loosely with a gunny bag or grass
- Add worms
Which of the following shows the correct sequence of the above steps?
Write 3 sentences on what comes to your mind when you chance to see the following.
A cow eating a polythene bag.
What happens when insecticides, motor oil, paints are poured down the drain?
Write one difference between biodegradable and non-biodegradable wastes. List two impacts of each type of the accumulated waste on environment if not disposed off properly.
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 ______.
