List any four changes you would like to incorporate in your lifestyle in a move towards a sustainable use of available resources in our country.
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If you could use any source of energy for heating your food, which one would you use and why?
We shall use LPG/CNG gas or electricity for heating our food because these are efficient ways of supplying energy. Thermal efficiency of the energy source is large, there is less...
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On the basis of the issues raised in this chapter, what changes would you incorporate in your life-style
Three methods of producing magnetic field are as follows: Will move in public transport system to conserve petrol. Instead of coal or natural gas, will prefer to use...
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If you could use any source of energy for heating your food, which one would you use and why?.
We would use a microwave oven for heating the food as it heats uniformly and clearly without any loss in its nutritional value.
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List five things you have done over the last one week to: (i) conserve our natural resources. (ii) Increase the pressure on our natural resources...
(i) Five things that I have done over the last one week to conserve our natural resources are: (a) Saved electricity by switching off unnecessary lights. (b) Repaired leaky taps for saving...
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On the basis of the issues raised in this chapter, what changes would you incorporate in your lifestyle in a move towards a
I would incorporate the maximum of the three R's, i.e., reduce, recycle and reuse in my lifestyle in a move towards sustainable use of our resources.
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List any four changes you would like to incorporate in your lifestyle in a move towards a sustainable use of available resources in our country....
Four changes I would like to incorporate in our lifestyle in a move towards a sustainable use of available resources are: (i) I will collect plastic, paper, glass and metal items...
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Why is it necessary to conserve mineral resources? Explain any four ways to conserve mineral resources.
Reasons for conservation : (a) The strong dependence of industry and agriculture upon minerals. (b) The process of mineral formation is slow. (c) They are non-renewable Methods to conserve : (a) Minerals should be used...
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If you happen to go to a desert, what changes do you expect to observe in the urine you excrete? You would
(i) excrete small amount of urine. (iii) excrete concentrated urine.
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Put your finger under your nose. Can you feel any air when you breathe out from your nose?
Yes, I can feel the air when I breathe out from your nose
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What efforts are required to use mineral resources in a planned and sustainable manner? Explain in three points.
Following efforts have to be made to use mineral in a planned and sustainable manner: (i) Recycling of metals: We should recycle the metal or metal-made products to prevent its scarcity. For...
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