GEOLOGY

Detailed explanation-1: -Some human causes include sewage, pesticides and fertilizers from farms, waste water and chemicals from factories, silt from construction sites, and trash from people littering. Some of the most famous incidents of water pollution have been oil spills.

Detailed explanation-2: -Pollutants include chemicals, trash, bacteria, and parasites. All forms of pollution eventually make their way to water.

Detailed explanation-3: -Over the past century particularly, Earth’s water sources around the world have been polluted by all kinds of waste. Chemicals from factories, sewage, household waste, and lots of unmanaged rubbish, like plastic bags, packaging, bottles, and even lost fishing equipment all find their way into our waterways.

Detailed explanation-4: -Chemical pollution. Groundwater pollution. Microbiological pollution. Nutrient pollution. Oxygen-depletion pollution. Surface water pollution. 31-Jan-2020