These resources should be conserved properly as they are depleting at a very fast rate. The resources which obtained from nature are known as Natural Resources. Renewable resources are very important for the survival of humanity in future because the resources are getting depleted at a very high rate. Of the total amount of water present on earth, only _____ is fit for human consumption. Pure water freezes at 0°C at 760 mm of Hg pressure. Why is it said that – (h) Why should a glass bottle completely filled with water never be kept in a freezer? c. There is no alternative to water for cleaning purposes beacuse it dissolves everything that is added to it. The natural resources are naturally occurring materials that are useful to man or could be useful under conceivable technological, economic or social circumstances or supplies drawn from the earth supplies such as food, building and clothing materials, fertilizers, metals, water, and geothermal p… Ozone layer is getting depleted because of: The nitrogen molecules present in air can be converted into nitrates and nitrites by: Release of hot water from industries into nearby water bodies will damage ________ the most. The reason why it is called the universal solvent. What will happen if.... The water dissolves all the dirt present in our clothes, the reason why we soak our clothes in detergent and water prior to washing. (d) The pressure exerted by air is called atmospheric pressure.- True. Ans: Ans: Earth’s atmosphere is composed of various gases like oxygen, carbon dioxide, nitrogen, water vapour along with various gases in small quantities, hence making it a balanced composition which is livable than other planets. This includes all valued characteristics such as magnetic, gravitational, electrical properties and forces etc. (b) Water does not have a ........... but has definite ........... and ........... . The natural resources we have like Natural gas, petroleum and coal are on the verge of exhaustion. It would take a little more.. The management and conservation of these resources have been explained in … Resources like forests, wild life, water, coal and petroleum need to be used in a sustainable manner. The water covering 75% of the Earth’s surface and also found underground comprise the hydrosphere. Boiling point of pure water is 100°C at 760 mm of Hg pressure. this layer consists of humus and fine particles of dust and sand. Instead, the use of Earth-bags should be promoted. (d) What is the importance of good soil structure? General Science Solutions Solutions for Class 7 Science Chapter 3 Properties Of Natural Resources are provided here with simple step-by-step explanations. As the rays of light fall on these particles, these rays are spread/scattered in all directions. You will also love the ad-free experience on Meritnation’s General Science Solutions Solutions. Filed Under: Class 9, NCERT Solutions, Science Tagged With: Chapter 14, class 9, natural resources, NCERT Solutions, science About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. Similarly, on cooling, the state of water changes from liquid state to solid state (ice). (b) Explain the various properties of water. Get chapter notes for CBSE Class 9 Science, chapter 3: Atoms and Molecules, to make an easy preparation for CBSE Class 9 Science Exams in 2020-2021 session. Oil gets leaked when transported through ships. Water is a colourless, tasteless, and transparent liquid. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Science for Class 7 so that you can refer them as and when required. The management of natural resources requires a long-term perspective so that these will last for the generations to come and will not merely be exploited to the hilt for short term gains. NCERT Exemplar for Class 10 Science Chapter 16 Management of Natural Resources 7. should be the practice of on-site wildlife conservation. Thus it is dry, light and airy. Students can solve NCERT Class 10 Science Management of Natural Resources Multiple Choice Questions with Answers to know their preparation level. The use of solar and wind energy should be more. (a) The capacity of air to hold moisture depends upon the temperature of the air. Also, water has a neutral pH which means it does not harm the object which has to be cleaned and also does not affect the skin. The bulbs used at homes and other places should be energy saving ones like fluorescent bulbs. MCQ Questions for Class 8 Social Science with Answers were prepared based on the latest exam pattern. We are left with very less amount of fresh water with us that can be used for the purpose of drinking. Water is a very good solvent as it can dissolve almost every substance in it, therefore water is known as the “universal solvent”. Here you can read Chapter 9 of Class 7 Science NCERT Book. The amount of water vapor in atmosphere determines the level of humidity. (d) The pressure exerted by air is called atmospheric pressure. Scroll down for Soil from NCERT Book Class 7 Science Book & important study material. 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