IT HAS BEEN NOTICED THAT SILVERWARES BECOMES BLACK IN COLOUR FASTER TODAY THAN IT DID FIFTY YEARS AGO. WHAT CAN BE THE REASON FOR THIS ?
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Answer: IT HAS BEEN NOTICED THAT SILVERWARE BECOMES BLACK IN COLOR FASTER TODAY THAN IT DID FIFTY YEARS AGO BECAUSE THE QUALITY OF SILVERWARE IS NOT THAT GOOD AS, IT USED TO BE AND TODAY'S ENVIRONMENT IS POLLUTED WITH THE POLLUTANTS.
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