We hear a lot about ‘Clean Delhi, Green Delhi’, but nothing much has been done. People are very careless and they litter all public places. Using you own ideas write a letter to the editor of a newspaper about the ‘importance of cleanliness’. You are Anjali, F-1..plss tell
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When two magnets are brought together, the opposite poles will attract one another, but the like poles will repel one another. This is similar to electric charges. Like charges repel, and unlike charges attract. Since a free hanging magnet will always face north, magnets have long been used for finding direction.
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