There are various chapters in Class 9 Maharashtra Board Books for Water Security, such as
Prelims,
Water Cycle,
River System,
Watershed Area and Water Types,
Soil and Rock Type,
Water Structure - Well, Lake, etc,
Concept of Water Conservation,
Catchment - Watershed Treatment,
Water Recharge,
Water is the Basis of Life,
Our Water Consumption,
The Journey of Water - Dam to House,
What is Water Management,
Water Quality and Criteria,
How to Maintain the Quality of Water,
Water Pollution - Causes, Effects and Remedies,
