Water: A Precious Resource Class 7 Science Notes – Chapter 16
Water is important for all living beings. Survival without water is impossible. It plays a significant role in the existence of life. There are three forms of water viz solid, vapor, and liquid. Water cycle maintains water but many parts of the globe face scarcity of water due to its uneven distribution. Majorly as a result of human activities. Please refer Water: A Precious Resource Class 7 Notes for more revision notes.
CBSE Revision Notes 