1.

Fill in the blanks : (i) Rubber particles and dust raised by running motor vehicles are examples of ............... pollutants. (ii) Too frequent exposure to ......................... in a medical diagnostic technique may damage chromosomes. (iii) Thermal power plants give out a lot of ...................... waste water. (iv) Sewage is a liquid waste from ........................... .

Answer»

Fill in the blanks :

(i) Rubber particles and dust raised by running motor vehicles are examples of ............... pollutants.

(ii) Too frequent exposure to ......................... in a medical diagnostic technique may damage chromosomes.

(iii) Thermal power plants give out a lot of ...................... waste water.

(iv) Sewage is a liquid waste from ........................... .



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