3. Why do we need to conserve mineral resources? Explain any three reasons.
4.
What are two types of energy sources? Which one of them is a better resource and why?
5. Highlight any three advantages of using nuclear energy.
Answer the following questions.
1.
How are minerals useful to us? Explain with the help of examples.
2.
In your opinion, electricity is a boon or a bane? Support your answer with relevant arguments
3. What is meant by nuclear energy? Explain the progress made by India in this field
Assess the importance of petroleum on the basis of its wide range of applications
5. Suggest any five measures to conserve minerals and energy resources
45
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Answer:
Ans 1 .
Conservation of mineral resources is essential because they are a country's valuable possession. ... Minerals should be used in a planned and sustainable manner. Technology should be upgraded to allow the use of low-grade ore at low costs. Recycling of metals also results in the conservation of mineral resource
Explanation:
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Answered by
4
Answer:
E5.
- use of efficient methods of mining and processing the minimise the wastage.
- recycling of mineral resources use and re-use of scrap.
- Substituting the use of scarce minerals by those found in abundance.
- we need to use them economically.
Five measures of conserve energy resources ----
- use of LED bulbs and tubelights.
- use public transport.
- switch off the light and fans when not in use.
- use of power electronic devices.
- use of non conventional sources of energy.
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