Non-renewable resources are limited because once used, they are exhausted and cannot be replenished within a short time, taking millions of years to form. NCERT Book Curiosity Science Class 6 Class 6 Science NCERT Chapter 11
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Renewable resources are important because nature renews them, ensuring that they are available for future use if used judiciously. Chapter 11 Nature’s Treasures NCERT Science Textbook Curiosity Science Session 2024-2025.
Human-made resources are items created by humans using natural resources to make life more comfortable, like electric bulbs, furniture, solar panels, and bicycles. Class 6 Science NCERT Chapter 11 Chapter 11 Nature’s Treasures
Air is all around us but does not hinder us from seeing each other. Whereas, if a wooden door comes in between, we cannot see each other. It is because air is “transparent” and the wooden door is “opaque”.
Burning fossil fuels produces smoke and carbon dioxide, which leads to air pollution and contributes to global warming. Class 6 Science NCERT Chapter 11 Chapter 11 Nature’s Treasures Session 2024-2025.