Question

Rainwater is known as the purest form of water but when it reaches the earth it is impure.Why

Answer 1

rainwater is the purest form of water but when it reaches the earth it became impure because on reaching the surface many contaminating particles of sand ,dirt and also secreta of many animals or sometimes humans also contaminate that pure water.

Answer 2

It ia pure till it is above the ground with reaching down the earth many factors affect which leads to the water to be impure