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Minerals & Energy Resources Video Lecture | NCERT Video Summary: Class 6 to Class 12 (English) - UPSC
FAQs on Minerals & Energy Resources Video Lecture - NCERT Video Summary: Class 6 to Class 12 (English) - UPSC
| 1. What are minerals and energy resources? |  |
Ans. Minerals are naturally occurring substances that have a definite chemical composition and are usually obtained through mining. Energy resources, on the other hand, refer to sources of energy that can be harnessed and used to generate power or fuel. These resources include fossil fuels, renewable energy sources, and nuclear energy.
| 2. What are the major types of minerals? | |
Ans. The major types of minerals include metallic minerals (such as iron ore, copper, and gold) that are used for industrial purposes and non-metallic minerals (such as limestone, gypsum, and quartz) that are used for construction, agriculture, and other applications. Additionally, there are also fuel minerals (such as coal and petroleum) that are used as sources of energy.
| 3. How are minerals and energy resources formed? | |
Ans. Minerals are formed through various geological processes. Metallic minerals are often formed through processes like magmatic segregation, hydrothermal activity, and metamorphism. Non-metallic minerals can be formed through weathering, erosion, and sedimentation. Energy resources like fossil fuels are formed from the remains of ancient plants and animals that were buried and subjected to heat and pressure over millions of years.
| 4. What are the challenges in the sustainable extraction of minerals and energy resources? | |
Ans. The sustainable extraction of minerals and energy resources faces several challenges. These include environmental impacts such as habitat destruction, pollution, and greenhouse gas emissions. Additionally, there are social and economic challenges such as displacement of communities, conflicts over resource ownership, and the need for responsible mining practices to minimize negative impacts.
| 5. What are the alternatives to fossil fuels as energy resources? | |
Ans. Renewable energy sources are considered as alternatives to fossil fuels. These include solar power, wind power, hydropower, geothermal energy, and biomass energy. These sources are considered more sustainable and have lower environmental impacts compared to fossil fuels. However, their widespread adoption and integration into the energy grid require advancements in technology and infrastructure.
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