Which is the purest form of natural water: rainwater or groundwater?
The rainwater is the pure water. But it is running down our roof, along our gutters and get contaminated by dust, bird’s excreta etc.
Which is the purest form of natural water: rainwater or groundwater?
The rainwater is the pure water. But it is running down our roof, along our gutters and get contaminated by dust, bird’s excreta etc.