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Questions and Answers
What is the main cause of urban smog over cities?
How does air pollution contribute to acid rain?
Which of the following is NOT a main source of noise pollution?
What is measured by sound level expressed in terms of decibels (dB)?
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Why is traffic noise considered the biggest nuisance among the sources of noise pollution?
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Where is noise pollution from sea traffic mainly confined to?
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What has Scripps Institute of Oceanography's study revealed about ocean noise compared to the 1960s?
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What was cited as a major contributor to increased undersea noise pollution according to the study?
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In what decade did the study find that noise levels in 2003-2004 were about 10 to 12 decibels higher than a previous period?
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What is a major reason for the increased underwater ocean noise mentioned in the text?
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Why is noise pollution particularly hazardous in metropolitan and big cities in India according to the text?
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What remains unknown according to the study mentioned in the text?
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