NCERT Class 7 Science Chapter 18 - Wastewater Story Notes
Chapter 18 - Wastewater Story Notes 1. Wastewater is rich in lather that is mixed with oil, black-brown water, goes down the drains from sin...
NCERT Class 7 Science Chapter 17 - Forests: Our Lifeline Notes
Chapter 17 - Forests: Our Lifeline Notes 1. A large area of land covered mainly with trees and other plants is called a forest. 2. Forest is...
NCERT Class 7 Science Chapter 16 - Water: A Precious Resource Notes
Chapter 16 - Water: A Precious Resource Notes 1. Water is a universal solvent. Water is the most important compound for all living things. 2...