Answer 1

Harmful effects of noise pollution on human health:
1. Prolonged exposure to high-decibel noise damages the ear drums and can bring about permanent hearing impairment.
2. Noise pollution can lead to high blood pressure (hypertension), constant headaches and lack of concentration.
3. It interrupts the thought process, resulting in low efficiency at work.
4. It disturbs sleep which causes irritability and nervous disorders.