Which of the following is the most polluted?

Answer: A. Delhi

Delhi is the most polluted state in India. Yes, the most famous state is the most polluted state in India. In my online tuition, one of my teacher told me that she once went to Delhi she got out of a plane. And saw lot of fog but she couldn't feel cold then she realise that it wasn't fog it was smog a mixture of smoke and fog which is really really dangerous for our lungs and our health.

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