The locker numbers that remain open are the ones which are perfect squares: 1, 4, 9, 16, 25, 36, 49, 64, 81 and 100. These numbers have an odd number of factors and remain open after all toggling. Class 8 Mathematics ...
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Nature becomes a resource when humans recognise its utility and apply knowledge, technology and effort to use it. Without human understanding and use, natural elements remain unutilised and are not considered resources. Class 8 Social Science Chapter 1 Natural Resources and ...
Unsustainable use leads to depletion of resources, environmental imbalance, pollution, biodiversity loss and climate change. It harms ecosystems, reduces nature’s regenerative capacity and threatens the survival of future generations. Class 8 Social Science Exploring Society: India and Beyond Class 8 Social Science ...
The uneven distribution of natural resources affects lifestyles, occupations, culture, food habits and development in various regions. Regions rich in resources often experience economic growth and diverse livelihoods compared to resource-scarce areas. Class 8 Social Science Exploring Society: India and Beyond Class ...
Natural resources are categorised based on origin (biotic or abiotic), renewability (renewable or non-renewable), development stage (actual or potential) and availability (ubiquitous or localised). These classifications help us understand and manage them better. Class 8 Social Science Exploring Society: India and ...