Natural resources short note. Short Paragraph on Natural Resources 2019-02-27

Science Class 9 Notes

Some organisms like lichen and mosses grow on the surface of rocks and they release certain substances that cause weathering of rocks and a thin layer of soil is formed. Most of the manmade compounds are composed of natural resources. These are air, water, land, trees, wood, soil, minerals, petroleum, metals and sunshine. If we do not replace these trees at the same speed as we are using them then very soon this resource will be expended. These are often global-level problems and we feel helpless to make any changes.

What Are Natural Resources?

Class 9 Short Notes - Natural Resources, Science, Class 9 Summary and Exercise are very important for perfect preparation. Some organisms like lichen and mosses grow on the surface of rocks and they release certain substances that cause weathering of rocks and a thin layer of soil is formed. Atmosphere prevents sudden increase in temperature during daytime and fall of temperature during night. Without fresh air and water, human life will be impossible in future. There are two kinds of natural resources- renewable and nonrenewable. The volunteer work of more than 10,000 scientists and other experts is coordinated through special commissions on education and communication; environmental, economic, and social policy; environmental law; ecosystem management; survival; and protected areas. If any pdf file have any copyright voilation please inform us we shell remove that file from our website.

Notes of Ch 14 Natural Resources

Examples of natural resources are , , , , , , , and. Now the real story which i have to tell you about all these resources. Bio gas which is generated by the action of bacteria on packed kitchen waste without oxygen could be used as an alternative to liquid petroleum gas. When people do not have some resources, their can get lower. Metals iron, copper, zinc , fossil fuel coal and oil deposits minerals and salts phosphates, nitrates, carbonates and stone once a non renewable resource is consumed it is gone forever. On Venus and Mars there is no life because carbon dioxide constitutes 95-97% of the atmosphere. Some of the natural resources include air, water, forests, animals, soil, metals etc.

Natural Resources, Short Answer Questions, Class 9, Science Class 9 Notes

We must all join hands in our efforts to preserve our natural resources. When fossil fuels were discovered they momentarily took the pressure off wood. The uranium is used in the nuclear energy and gold is an important source of ornament. The rate of atomosphere in climate control is the movement of Air, Rain, Air pollution, Water 4. Minerals gold, copper, iron, diamonds are also considered abiotic. Renewable resources are the ones that could be obtained naturally like the wind, air, sunlight etc that is obtained easily.

Natural Resources Essay for Students in English

When they can not get clean water, people may become ; if there is not enough wood, trees will be cut and the forest will disappear over time ; if there are not enough fish in a sea, people can die of. Due to increased temperature the ice-caps would melt, there is rise in the sea-level and it is feared that coastal areas would be destroyed by floods. Conservation of water in the agricultural sector is essential since water is necessary for the growth of plants and crops. He needs more comfort and security. Waterborne disease can be caused by protozoa, viruses, bacteria and intestinal parasites. There are various forms of alternative energy available.

Short Notes

However, in some circumstances, even water is not renewable easily. A perpetual resource has a never-ending supply. The different resources available on the Earth are land, water and air. Another group of bacteria convert these nitrates and nitrites into free, elemental nitrogen, this process is called denitrification. Human cannot produce or make natural resources but can use it in such manner to produce other essential resources that are important for our life. The Breath of Life Air is a mixture of many gases like nitrogen, oxygen, carbon dioxide and water vapour. Pakistan have enough gold that it can collect more gold than America and China in its reserves but only will is needed.

Short Notes

Natural Resources Natural resources are useful raw materials that we get from the Earth. This is because these renewable resources are replenished more slowly. We can terminate the system of pipeline in Pakistan as other parts of world are also not delivering gas through pipelines. We must resort to the use of alternative forms of energy which will lessen the burden on our natural resources. In a similar manner, for century's coal and mineral oil were present below the earth's surface but the appropriate technologies were not known to utilize them.

Science Class 9 Notes

Abiotic components : The non-living things air, water and soil form the abiotic components of the Biosphere. When dead bacteria present in soil act on and convert plants and animals of various compounds of nitrogen into nitrates and nitrities. A Water cycle B Nitrogen cycle C Carbon cycle D Oxygen-cycle 10. Deforestation is the permanent destruction of indigenous original forests and woodlands. The original act of tree hugging to save trees from being cut has its origins in the collective act of the Bishnoi community of Rajasthan in 1731 where over 350 people lost their lives by hugging trees to prevent a king's army to fell the trees of their forest. We can realize the value of resource only when it is rather scarce.

8 Short Questions with Answers for School Students on “Natural Resources” (India)

Water animals like fish is used to fulfil starvation of many people and other big water animals. Ozone layer is found in stratosphere. We can make environment friendly decision by knowing more about how our choices affect the environment. Other than these, Pakistan have also good quality of Uranium at Dera Ghazi Khan region but Uranium details are not made public by authorities. The materials used in human-made objects are natural resources. . It also occurs on areas that are poorly drained topographically and having impermeable clay layer below the soil.

Short Essay on Natural Resources

Article shared by Soil, wood, oil. To live a life of pleasure, we must conserve nature! Lithosphere The outer crust of the Earth. Always believe in hard work, where I am today is just because of Hard Work and Passion to My work. Potohar region is an oil rich region in Pakistan. Major causes of deforestation are Population growth, Shifting cultivation, Fuel and raw material, Growing food need, Overgrazing, Fires and Acid rain. Natural resource refers to any form of energy or matter essential for the fulfillment of physiological, socio­economic and culture needs both as undivided or a community. Conserve water because it is the right thing to do.