science-10th-class-cbse-notes

Water Resources: Dams, Water Harvesting

Water Water is a basic necessity for all terrestrial forms of life. Irrigation methods like dams, tanks and canals have been used in various...
science-10th-class-cbse-notes

Forests and Wildlife & Movements

Forests and Wildlife Forests are 'Biodiversity hotspots'. Hotspot means an area full of biological diversity. The biodiversity of an area can be measured by determining...
science-10th-class-cbse-notes

Natural Resources

Natural Resources Resources provided to us by nature soil, air, water, forests, wildlife, coal and petroleum are used by man for his survival. Types of Resources ...
science-10th-class-cbse-notes

Environmental Problems: Depletion of Ozone Layer & Garbage Disposal

Environmental Problems Changes in environment affect us and our activities change the environment around us. Environmental problems caused by humans: depletion of the Ozone Layer...