Natural Resources

Chapter Overview 

Introduction 

The breath of life: Air 

Air pollution 

Water: A Wonder Liquid 

mineral Riches in the soil 

Composition of Soil

Types of Soil

Soil Pollution

Effect of Soil Pollution

Soil Erosion

Cause of  Soil Erosion

Effect of  Soil Erosion

Prevention of  Soil Erosion

Biogeochemical cycles 

Nutrient fueling, in Ecosystem 

Water of Hydrological Cycle

Nitrogen Cycle

Hydrogen Cycle

Carbon Cycle

Greenhouse effect (Global warming) 

Ozone layer