A “green blanket” is the thick layer of plants or algae that forms on a river’s surface due to excessive fertilizers. It blocks sunlight and oxygen, harming fish and other aquatic life.
Class 5 Our Wondrous World Chapter 2 Journey of a River NCERT solutions
Class 5 Our Wondrous World – The World Around Us – Chapter 2 Journey of a River question answer
The term “green blanket” refers to the thick growth of water plants or algae covering a water body. This usually happens when fertilizers from farms enter rivers, causing fast plant growth. The blanket blocks sunlight, reduces oxygen and makes life hard for fish and underwater plants. It also makes the water look dirty and unsafe. Managing farming practices can reduce such harmful growth.
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