Coal takes millions of years to form from buried organic matter. Once extracted and burned, it cannot be replaced quickly. Its slow formation and rapid use make it a non-renewable energy source. Class 8 Social Science Textbook Chapter 1 Natural Resources ...
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Long-term food security in Punjab is at risk due to falling groundwater levels, overuse of chemicals, soil degradation and reliance on monoculture farming, which weakens productivity and harms the environment over time. Class 8 Social Science Chapter 1 Natural Resources and ...
Punjab’s Green Revolution boosted food production but caused water depletion, soil damage and health hazards. Monoculture and chemical use harmed sustainability. Future food security depends on crop diversity, organic farming and protecting natural resources wisely. Class 8 Social Science Exploring Society: ...
Ecosystem services are the benefits nature provides—like clean air, water, fertile soil, pollination and climate regulation. They support life and human well-being by maintaining environmental balance and natural cycles. Class 8 Social Science Textbook Chapter 1 Natural Resources and Their Use ...
They suggest our economy should shift from polluting and exploitative systems to ones that are regenerative, inclusive and sustainable, where people live in harmony with Nature and minimize environmental destruction. Class 8 Social Science Chapter 1 Natural Resources and Their Use ...