Although coal and petroleum are produced by degradation of biomass, yet we need to conserve them. Why?..
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Although coal and petroleum are produced by degradatioin of bio- mass, yet we need to conserve them. Why?
Both the energy sources coal and pertoleum take millions of years for their formation. As these resources are being utilised at a much faster rate than their formation, they will...
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The highest level need in the need Hierarchy of Abraham Maslow: (a)Safety Need (b)Belongingness Need (c)Self Actualisation Need (d)Prestige Need
The highest level need in the need Hierarchy of Abraham Maslow is self actualisation need. This need of an individual refers to achieving what one aims or aspires. For an...
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Which of the following are renewable and which are non renewable sources of energy? Coal, wind, tides, Sun, petrol, biomass, CNG, hydro energy.
Renewable sources: wind, tides, Sun, biomass, hydro energy Non-renewable sources: coal, petrol, CNG
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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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Identify the person who got people from village, ensured them jobs, helped them settle in cities and provided them money in times of need.
Jobber...................
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"Environmental degradation has been seen everywhere." Explain any three values that can help to prevent environmental degradation.
Steps to minimize environmental degradation : (i) Optimum utilization of equipment, adopting latest techniques. (ii) Upgrading existing equipment. (iii) Minimising waste generation by maximizing ash utilization. (iv) Providing green belts for nurturing ecological balance. (v)...
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Although the H-bonding in hydrogen fluoride is much stronger than that in water, yet water has a much higher boiling point than hydrogen fluoride.
This is because hydrogen bonding is multidimensional in water whereas in HF it is linear.
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Highlight the importance of petroleum. Explain the occurrence of petroleum in India.
Importance of Petroleum: (i) Petroleum is the major energy source in India (ii) Provides fuel for heat and lighting (iii) Provides lubricant for machinery. (iv) Provides raw material for a number of manufacturing industries. (v)...
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"Environmental degradation has been seen everywhere." Explain any three values that can help to prevent environment degradation.
Steps to minimise environmental degradation: (i) Optimum utilisation of equipments, adopting Iatest techniques. (ii) Upgrading existing equipments. (iii) Minimising waste generation by maximising ash utilization. (iv) Providing green belts for nurturing ecological balance. (v) Reducing...
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Although Diamond is Covalent, yet it has high melting point. Why?
All the four valencies are satisfied by carbon.
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