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Radiography and depletion of Ozone layer:

What is Radiography? 

A. The method in which soft X-rays are used in medical diagnosis is called radiography.

What are the uses of Hard x-rays? 

A. Hard x-rays are used to determine the structure of materials and to test the materials in industry.

What is the reason of depletion of Ozone layer in atmosphere? 

A. The ozone layer is depleted due to the Chemical reactions with fluoro carbons released from aerosol sprays, refrigeration equipments and other pollutants.

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