Soil is a renewable resource only if it is protected from erosion and if suitable amount of organic matter is added to it from time to time. This has resulted in over-exploitation of our natural resources. essay writing service scam economics Industries which recover and recycle waste materials should be encouraged because they play a major role in conserving natural resources.
He learnt techniques of cultivation and started growing food for himself. Cultivation of crops should be a regular feature. research paper introduction help examples Whenever the water-cycle in nature is disrupted, the ecological-balance in nature is disturbed. All such substances used by man for sustenance and welfare are called resources. Water is often wasted during its use.
This has resulted in the depletion of some resources. Random and excessive cutting down of trees, quarrying for minerals and ores followed by heavy rains leads to washing away of the rich top soil necessary for plants. web writing services soap tutorial eclipse Deforestation means large scale cutting down of forests.
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This has resulted in the depletion of some resources. Then, he gradually started gaining superiority over other organisms by virtue of his intelligence. Plants and animals in turn are dependent on natural substances like air, water, soil, minerals etc. Man has mastered the art of fulfilling some of his basic needs by artificial methods.
Special sewage plants should be made to bring about oxidation of sewage. At one time it was so thick with forest that Emperor Akbar went hunting there. He made tools to fight and hunt wild animals.
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Man has mastered the art of fulfilling some of his basic needs by artificial methods. All snakes are, however, not poisonous. purchase a research paper about smoking among students Then, he gradually started gaining superiority over other organisms by virtue of his intelligence. It may even lead to landslides causing great damage to man. It is clear that land is good for agricultural purposes when it is fertile and land is fertile when it is covered with or surrounded by trees.
This is because of the limited availability of substances in nature. This has resulted in the depletion of some resources. case study writers houses Wildlife is renewable only if indiscriminate hunting and deforestation is prevented. Water is often wasted during its use.
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Whenever the water-cycle in nature is disrupted, the ecological-balance in nature is disturbed. The man appeared on this earth only about a million years ago. We get water through rainfall and from oceans, rivers, canals and wells.
Pollution of environment, rivers, ponds, dams and oceans by insecticides and waste products of the industries have depleted wildlife. Plants like bamboos and other suitable species should be planted. For example, oxygen in the air is regenerated through photosynthesis by the plants and fresh water is renewed through the water- cycle. Special sewage plants should be made to bring about oxidation of sewage.
Different crop should be sown in different seasons. Alternatively, we should search for such sources of power generation which will not be exhausted i. Therefore, the water-cycle will depend on the preservation and planting of trees. Non-renewable resources are those which are not replaced in the environment after their utilization.