how does water pollution occur (10 points)
Answers
Answer:Water pollution happens when toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water.
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Answer:
Explanation:
1) Around 2.5% of water out of the total 70% available water on earth is in the form of fresh water.
2) Approximately, 70% of the total industrial waste is drained in the water bodies.
3) Every year, around 7 billion pounds of urban plastic waste gets dumped into the oceans.
4) As per the WHO report, over 250 million people across the globe die every year by drinking contaminated water.
5) Asia is the continent which has the most number of polluted rivers in the world.
6) Most of the ground water of the world is contaminated with Arsenic which is highly toxic.
7) The polythene bags and plastics in the oceans are a major cause of deaths and extinction for marine species.
8) The extinction rate of marine animals is believed to have five times more than that of the land animals.
9) The major man made pollutants responsible for water pollution are pathogens, organic matters, heavy metals, sediments etc.
10) WHO has launched various programmes to fight water pollution by setting up many stringent rules and regulations.