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Question
In big cities automobiles are responsible for ...... % of air pollution.
In big cities automobiles are responsible for ...... % of air pollution.
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Solution
The correct option is B 70%
Vehicle emissions are responsible for 70% of the country's air pollution. Exhaust from vehicles has increased eight-fold over levels of twenty years ago. Air quality is worst in big cities like Kolkata, Delhi, Mumbai, Chennai, etc.
Vehicle emissions are responsible for 70% of the country's air pollution. Exhaust from vehicles has increased eight-fold over levels of twenty years ago. Air quality is worst in big cities like Kolkata, Delhi, Mumbai, Chennai, etc.
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