Question

a short speech on pollution and its types for class 7th

Answer 1

pollution means which disturbs or which district the total environmental pollutions are mainly divided into four type that is all pollution air pollution sound pollution noise pollution difference between sound and noise pollution noise pollution means we make like keeping a huge sound sound pollution means if you have driving a bike very scared that sound will come that is known as sound pollution very high air pollution means which we throw the dirty things around the road that will make the air pollution or another example is for air pollution is the releasing smoke