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 ...
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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 ...