Waste paper is renewable source which is recycled into 0ther uesful products.
Houseflies that sit on garbage carries germs to the food particles when it sits on it. When these food substances are consumed cause cholera.
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$(i)$
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Reduction of air, water and land pollution.
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$(ii)$
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Conservation of natural resources.
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$(iii)$
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Increase of air, water and land pollution.
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Waste management reduces air, soil and water pollution and conserves natural resources.
Vermi-composting layer is kept moist and loose to allow worms to move.
| S.No. | Column$-I$ | S.No. | Column$-II$ |
| $A.$ | Landfill | $(p)$ | Completely rotten garbage used for plant nutrients. |
| $B.$ | Manure | $(q)$ | Low lying areas where garbage of a city is dumped. |
| $C.$ | Composting | $(r)$ | The process in which use of organisms is essential. |
| $D.$ | Vermi composting | $(s)$ | Converting plants and animal wastes into manure. |
Making compost from kitchen garbage using redworm is called vermicomposting.
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$P-$ Recycling reduces pollution
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$Q-$ Recycling makes the environment unfit of living things`
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$R-$ Recycling helps to conserve energy
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$S-$ Recycling results in wastage of natural resources
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Recycling of materials reduces pollution and conserves energy.
| S.No. | Column$-I$ | S.No. | Column$-II$ |
| $A.$ | Blue dustbins | $(p)$ | Plastics, metal and glass. |
| $B.$ | Green dustbins | $(q)$ | Wastes that rot completely when buried in soil. |
| $C.$ | Vermi composting | $(r)$ | Method of making compost. |
| $D.$ | Red worms | $(s)$ | Useful in vermi composting. |
It is called composting. For vermin-composting we need some organisms.
Vegetable peels can be best used in making compost.
| Reduce the use of paper. |
| Recycle newspaper. |
| Reuse paper bags. |
Paper is made from the wood pulp of trees. Hence, by recycling, reducing and reusing the papers. We can save forests.
According to government scheme, materials that can be r in blue bins. This waste is sent directly for processing.
It can eat food equal to its weight in a day.
Leaves falling from trees should be disposed by making compost by vermicomposting.
Reducing, reusing and recycling are the $3 \ Rs.$ of waste conservation.
The rotting and conversion of some materials into manure by red worm is called vermicomposting.
Coke tin is a non-biodegradable substance.
Gizzard grinds the food in redworms.
Plant roots hold the soil and slow down soil erosion. Movement of the stray animals dig the soil and helps in soil erosion. If speed of water increases more erosion will occur. Embankments built across the slopes will help in reducing soil erosion.
The kitchen waste dumped in a pit may convert into compost after sometime. Kitchen waste is biodegradable and can be decomposed by microorganisms into compost, which is used as a manure. Compost is a natural fertiliser.
Jute bags are stronger and is made of natural product called Jute. Hence, it is desirable to use jute bags for shopping.
The practice of burning dried leaves and other plant parts leads to all the ill affects mentioned above.
The best way to deal with this waste is to convert it into useful compost.
It is called composting.
A plastic glass is a non-biodegradable substance.
Culturing of earthworms and redworms is called vermicomposting.
Left-over food is a biodegradable substances. Biodegradable substances get decomposed by the action of decomposers like bacteria.