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Minerals and Energy Resources
What are the impacts of mining on the health of the miners and the environment?
The impacts of mining:
(i)The dust and noxious fumes inhaled by miners make them vulnerable to pulmonary diseases.
(ii)The risk of collapsing mine roofs, inundation and fires in coalmines are a constant threat to miners.
(iii)The water sources in the region get contaminated due to mining.
(iv)Dumping of waste and slurry leads to degradation of land, soil, and increase in stream and river pollution.
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What is a mineral?
How are minerals formed in igneous and metamorphic rocks?
Why do we need to conserve mineral resources?
Describe the distribution of coal in India.
Why do you think that solar energy has a bright future in India?
Fill the name of the correct mineral in the crossword below:
Across:
1. A ferrous mineral (9)
2. Raw material for cement industry (9)
3. Finest iron-ore with magnetic properties (9)
4. Highest quality hard coal (10)
5. Aluminium is obtained from this ore (7)
6. Khetri mines are famous for this mineral (6)
7. Formed due to evaporation (6)
Down:
1. Found in placer deposit (4)
2. Iron-ore mined in Bailadila (8)
3. Indispensable for electrical industry (4)
4. Geological Age of coal found in north east India (8)
5. Formed in veins and lodes (3)
Why is mica used in toothpaste?
Which one of the following is the hardest mineral?
An accumulation of any mineral mixed with other element is described as
Major metallic minerals like tin, copper, zinc and lead etc. obtained from
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