Solution to Activity 13.1 of NCERT Class 7 Science Chapter 13 Wastewater Story:

1. Complete Activity 13.1 (Page 156). We have given one example of the use of clean water. You can add may more.

Answer: Clean water is used for drinking, cooking, washing, cleaning, sanitation, hygiene, to irrigate crops in agriculture and as also has many uses in industry such as a cooling agent. The completed diagram is shown below:

Sources of clean water.
Activity 13.1: Find some common uses for clean water above. As you can see clean water is essential for our survival.

“We have given one example of the use of clean water. You can add may more.” – Solved.

Related Links:

Solution to Extended Learning Problem 1
Solution to Extended Learning Problem 2
Solution to Extended Learning Problem 3
Solution to Activity 13.1
Solution to Activity 13.2
Solution to Activity 13.3
Solution to Activity 13.4

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