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What are the two methods used to mine coal out of the ground so that you can use it to make electricity?
The two methods used to mine coal are surface mining and underground mining. Surface mining involves removing topsoil and rock layers to access coal deposits near the surface, while underground mining involves tunneling deep beneath the ground to extract coal deposits.
What are the two disadvantages of burning coal in a power station to product electricity?
Burning coal releases harmful pollutants into the air, contributing to air pollution and climate change. Additionally, coal mining can cause environmental destruction through habitat destruction and water pollution.
Which equation represents a physical change?
Burning coal is a chemical reaction, a chemical change; but the solid reactant is transformed in gaseous products (H2O and CO2) - this is a physical change.
Is wood being softer than coal a physical property?
Yes, the hardness of a material is a physical property. Wood is softer than coal, meaning it has a lower hardness and can be easily scratched or dented compared to coal.
Is using a dehumidifier for moisture a chemical or physical change?
No. It is a physical change.
Is mining coal a physical or chemical change?
Mining coal is a physical change because the act of extracting coal from the earth does not alter its chemical composition. The coal remains chemically the same before and after the mining process.
Is breaking coal into pieces chemical or physical change?
Breaking coal into pieces is a physical change because it does not alter the chemical composition of the coal. The coal remains composed of the same elements before and after being broken into pieces.
Is coal a mining product?
yes! coal is a mining product.
Is burning of coal a physical change?
Burning of coal is a chemical change, not a physical change. During the burning process, the chemical composition of coal changes as it reacts with oxygen to produce heat, light, and ash.
How does Coal mining affect the earth?
Coal mining can have significant environmental impacts on the earth. Activities like deforestation, water contamination, air pollution, and land subsidence are common issues associated with coal mining. Additionally, the release of greenhouse gases during the burning of coal contributes to global warming and climate change.
When was Kentucky Coal Mining Museum created?
Kentucky Coal Mining Museum was created in 1923.
Where to mine coal on RuneScape?
FreeMining Guild - 37 coal rocks, the most in a single mining areaSouthern wilderness mining site - 34 coal rocksBandit camp mining site - 20 coal rocksDwarven Mine resource dungeon - 13 rocksDwarven Mine - 11 coal rocksNorth Crandor mining site - 7 coal rocksWest Lumbridge Swamp mining site - 7 coal rocksEdgeville dungeon mine - 6 coal rocksBarbarian Village mining site - 4 coal rocksAl Kharid mining site - 3 coal rocksNorth Edgeville mining site - 3 coal rocksMembersAbandoned Mine - 26 coal rocksCoal Trucks - 18 coal rocksLegends' Guild mining site - 13 coal rocksGrand Tree mine - 11 coal rocks (close to Grand Tree bank)Heroes' Guild mine - 11 coal rocksKeldagrim north-east mine - 9 coal rocksJatizso mine - 8 coal rocksTzHaar mine - 8 coal rocksKeldagrim entrance mining site - 7 coal rocksCentral Fremennik Isles mining site - 7 coal rocksRellekka mining site - 7 coal rocksArdougne sewers mine - 5 coal rocksKeldagrim south-west mine - 5 coal rocksSouth-east Ardougne mining site - 4 coal rocksDesert Mining Camp surface mining site - 4 coal rocksEvil Chicken's Lair mine - 4 coal rocksMiscellania & Etceteria Dungeon Mine - 4 coal rocksPirates' Hideout mining site - 4 coal rocksFalador mining site - 2 coal rocksKaramja mining site - 1 coal rockFight Arena mining site - 1 coal rock
Is burning coal a physical change?
No. Burning anything is a chemical change.
Is coal mining a reliable source of energy?
Coal mining will not last for long because coal is becoming scarce.
Can coal mining destroy our environment?
Yes, coal mining can have significant environmental impacts, including deforestation, habitat destruction, water pollution, and air pollution. The process of extracting coal can also contribute to greenhouse gas emissions and climate change. Additionally, coal mining can lead to soil erosion and disrupt local ecosystems.
How was coal removed from the earth?
Coal is removed from the earth through a process called mining. There are two main methods of coal mining: surface mining and underground mining. In surface mining, large machines remove the topsoil and rock layers to access the coal deposits, while in underground mining, tunnels are dug deep into the earth to reach the coal seams.
Where is coal obtained?
Coal is obtained through mining. It is typically found underground in coal mines and can be extracted through surface mining or underground mining methods. The process of coal mining involves the removal of coal from the earth's crust for various industrial purposes such as electricity generation and steel production.
