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1.

Identify the wrong statement in the following. (a) The clean water would have a BOD value of more than 5 ppm(b) Greenhouse effect is also called as Global warming (c) Minute solid particles in air is known as particulate pollutants (d) Biosphere is the protective blanket of gases surrounding the earth

Answer»

(a) The clean water would have a BOD value of more than 5 ppm