OUR ENVIRONMENT

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Across
  1. 4. LAYER PROTECTING EARTH FROM UV RAYS
  2. 7. Substances which can be decomposed by the action of micro-organisms
  3. 8. ACCUMULATION OF HARMFUL CHEMICALS AT NEXT TROPHIC LEVEL
  4. 9. MAINLY CAUSES DEPLETION OF OZONE
  5. 10. All the interacting organisms in an area together with the non-living constituents of the environment
Down
  1. 1. ALWAYS FIRST TROPHIC LEVEL IN FOOD CHAIN
  2. 2. INTERLINKING OF VARIOUS FOOD CHAINS
  3. 3. ORGANISMS AT SECOND TROPHIC LEVEL
  4. 5. LIVING COMPONENTS OF ECOSYSTEM
  5. 6. AMOUNT OF PERCENTAGE OF ENERGY TRANSFERRED TO NEXT LEVEL