WORLD HISTORY

Detailed explanation-1: -When rivers pass through cities, dirt, mud, plastic, paper, oil, garbage, and chemicals mix in the water, making it water polluted. The harmful things that make water polluted are called Pollutants. Polluted water is not safe for drinking. These pollutants can make the water look and smell bad.

Detailed explanation-2: -Spilling of oil, the addition of poisonous substances, can bottle and other solid objects to the river water causes it to be polluted. Note: Polluted river water carries different types of diseases and as animals or we consume the water we get affected. The polluted river also smells bad.

Detailed explanation-3: -Water pollution occurs when untreated waste from industries, domestic waste from households and other wastes are dumped in water bodies.

Detailed explanation-4: -Moving water dilutes and decomposes pollutants more rapidly than standing water, but many rivers and streams are significantly polluted all around the world. A primary reason for this is that all three major sources of pollution (industry, agriculture and domestic) are concentrated along the rivers.

Detailed explanation-5: -Citarum River The Citarum is arguably one of the most polluted rivers in the world. Like the Ganges, it serves a big population. Indonesia, the home of the Citarum, may not be as populous as India or China, but it is still in the top league with a population of over 200 million.