Question

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 1

(i) vehicular air

(ii) X-ray

(iii) hot

(iv) domestic activities