It could be because India Is one of the most populated places so 12 in India doesn't seem that much there but if those numbers of people came to a country with a lower population it would be a higher percentage. if that makes sense..
I believe the answer is True
Natural process by which water soluble substances (such as calcium, fertilizers, pesticides) are washed out from soil or wastes. These leached out chemicals (called leachites) cause pollution of surface and sub-surface water.
It moved the land to make man kind to survive hope this helps
