OUR ENVIRONMENT

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Across
  1. 4. Accumulation of non-biodegradable harmful substances in human beings and other animals is called
  2. 7. the gas is being added at the atmosphere by cattle sheds
  3. 8. -choke drains which results in water logging
  4. 10. the process of buring the wastes at high temperatures
Down
  1. 1. responsible for the depletion of ozone
  2. 2. Ozone layer protects the earth from the radiation is
  3. 3. the organism that prepare their own food are called as
  4. 5. Which type of molecule is Ozone
  5. 6. A self supporting unit of living organisms and their non-living environment is called.
  6. 9. At each trophic level the quantum of available energy in a food chain successively.