Question

hey i want a evs project topic is pollution and changes in the trends of rains ​

Answer 1

Answer:

I am telling only on the topic of "Pollution"

Pollution simply means contamination of natural resources by adding harm full materials .

There are four types of Pollution namely noise ,soil,air and water pollution.we can reduce Pollution by following three R's namely Reduce,Reuse,Recycle.

I hope you like