Find the appropriate word for (5).

The outstanding ....(1).... of the development of science and technology can neither be realised nor enriched in an atmosphere with disturbed ....(2).... balance, ....(3).... to pollution hazards. The ....(4).... of pollution and conservation of the natural ecosystems in all the development efforts are     ....(5).... not merely for the growth of our ....(6).... but for our very existence on this earth. It demands the ....(7)... that it deserves. Although ....(8).... is expressed in various circles for ....(9).... the environmental balance and ....(10).... of forests, but at the same time... Show more

The outstanding ....(1).... of the development of science and technology can neither be realised nor enriched in an atmosphere with disturbed ....(2).... balance, ....(3).... to pollution hazards. The ....(4).... of pollution and conservation of the natural ecosystems in all the development efforts are    
....(5).... not merely for the growth of our ....(6).... but for our very existence on this earth. It demands the ....(7)... that it deserves. Although ....(8).... is expressed in various circles for ....(9).... the environmental balance and ....(10).... of forests, but at the same time there is a large scale ....(11).... of forests, as ....(12).... evidenced in several river valley projects ....(13).... at the national level.    

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