When Peter returned to his favourite childhood pond,the water was a crystal-clear,deep blue instead of the muddy brown colour it used to be.He also noticed that there was no plant or animal life in the pond.What is the most probable cause for the change in the pond?

Question

Quizplus · Accepted Answer

Acid rain is a type of pollution caused by emissions of sulfur dioxide and nitrogen oxide interacting with water in the atmosphere. When this acidic precipitation falls on bodies of water, it can alter the pH levels and make them too acidic for plant and animal life to survive. The clear, blue color of the pond suggests that the acidity levels have increased, causing the organisms to die off and leaving behind only the clear water.

When Peter Returned to His Favourite Childhood Pond,the Water Was