Question

Some statements are given below each with one or two blanks. Select the option that correctly fills up the blanks.
(i) High concentration of DDT disturbs ____ in birds, which causes ____.
(ii) ____ burns more efficiently as compared to petrol and diesel.
(iii) ___ is the natural ageing of a lake which occurs due to accumulation of ____.
(iv) ______ reduces the number of organisms which are sensitive to high temperature.
(v) Irreparable computers and other electronic goods are known as ____.

Answer 1

Answer:

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