8. What is geothermal energy? How it can be tapped?
10 why should we conserve minerals and energy resources.
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Answers
Answer:
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8. Geothermal energy is thermal energy generated and stored in the Earth. These underground reservoirs of steam and hot water can be tapped to generate electricity or to heat and cool buildings directly.
10.Conservation of mineral resources is essential because they are a country's valuable possession. Recycling of metals also results in the conservation of mineral resources. Non-conventional sources of energy should be harnessed for the generation of electricity.
Explanation:
1)Geo thermal energy refers to the heat and electricity produced by using the heat from the interior of the earth.
Groundwater in such areas absorbs heat from the rocks and becomes hot. It is so hot that when it rises to the earth's surface,it turns into steam. This steam is used to Drive turbines and generate electricity.
2) a.We are rapidly consuming mineral resources that required millions of years to be created and concentrated.
b.The geological processes of mineral formation are so slow that the rates of replenishment are infinitely small in comparison to the present rates of consumption.
c.Mineral resources are,therefore, finite and non renewable.