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The needs of life are fulfilled by materials present in the nature. They are air, water, soil, Minerals, coal, petroleum, animals and plants. These nature of resources varies from society to society. The variation is related to the culture, level of development and work of a society. These stock of the nature, useful to mankind are called natural resources. The growing population, industrialization and consequent urbanization have compelled us to over exploit these nature resources.
The word ‘resource’ means a source of supply or support that is generally held in reserve.
Natural resources are the materials, which living organisms can take from nature for the sustenance of their life. They are air, water, soil, minerals, coal, petroleum, animals and plants. Life on Earth depends on many factors. The energy from the sun and the resources available on the Earth are necessary to meet the basic requirements of all life-forms on the Earth.NCERT solutions for class 9 Science prepared by pw will help you to solve your NCERT text book exercise.NCERT solutions for class 9 Science prepared by Physics Wallah will help you to solve your NCERT text book exercise.