Summary

Key Points to Remember:

🔹 Essential Natural Resources:

• Air – For breathing and life
• Water – For all life processes
• Sun – Main source of energy
• Forests – Oxygen, habitat, products
• Soil – Agriculture, construction
• Minerals – Various uses in daily life

🔹 Conservation Principles:

• Use resources judiciously
• Renewable resources can be replenished
• Non-renewable resources are limited
• Reduce, Reuse, Recycle
• Future generations need resources too

🔹 Our Responsibility:

• Prevent pollution of air and water
• Plant more trees
• Use fossil fuels wisely
• Adopt renewable energy
• Practice rainwater harvesting

🧪 Important Points

🔸 Percentage: Number of parts in 100, denoted by ‘%’

🔸 Conservation: Using resources without wasting them

🔸 Pollution: Making natural resources dirty or harmful

🔸 Biodiversity: Variety of life forms in nature

🔸 Sustainability: Meeting present needs without harming future