Question

Write a technical term or an appropriate word for each of the following statements.
1.
Energy generated by turbines run by water falling from a height.
2.
The resultant metal with improved strength which is produced by mixing two or
more than two metals.
3.
Materials formed inside the earth by the decomposition of dead remains of
plants and animals in sedimentary rocks.
4.
Mineral deposits that are formed when a river erodes rock constituents from a
primary source and deposits them in the river beds.
5.
The process of extracting minerals from the earth's crust.
Answer the following questions in brief.
1.
What is a mineral? Mention the three main processes of mineral extraction.
2.
What is tidal energy? How can it be harnessed?
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 1

Answer:

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Answer 2

Answer:

1. hydroelectricy

2.Alloy

3.Fossil fuel

4.placer deposits

5.Mining

ALL ANSWERS ARE CORRECT

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