Chapter 18 Pollution Of Air And Water.pdf

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Class 8 Science Chapter 18 NCERT Solutions Pollution of Air and Water is provided . The NCERT solutions for class 8 science chapter 18 pdf is prepared by.

These NCERT Solutions for Class 8 of Science subject includes detailed answers of all the questions in Chapter 18 Pollution of Air and Water provided in.

Air is a mixture of various gases. One of the gases is 21% part of the air and is essential for the survival of human beings. This gas is. (a) nitrogen. (c) ozone.

Answer 1: Water gets contaminated in the following ways: Various industrial units dispose off wastage including harmful chemicals in rivers.

clean air and water may no longer be available! You have learnt about the importance of air and water in your previous classes. In this chapter, we will.

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