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Conservation of Environment

  • Biodegradable wastes-
    • Wastes that can be broken down by biological processes are called Biodegradable.
    • They are mainly produced mainly from plant and animal sources.
Decomposition of waste is accomplished by enzymes released by microbes in order digest this organic waste and consume it.
  • Non-biodegradable wastes
    • Wastes that cannot be broken by biological processes.
    • They are usually man-made like plastic, metal etc.
  • Water is essential for life.
  • About 71% of the earth’s surface is covered with water. It is present as ground water, in seas, oceans, rivers, lakes, ice caps, and in atmosphere.
  • Wells, rivers, ground water reservoirs or lakes are sources of fresh water.
  • Ocean and sea water is not potable because they contain large amount of dissolved salts.
  • Water is a necessity for every form of life. It is used for domestic …

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