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- Coals homework ep in 2021
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Coals homework ep in 2021
Coals homework ep 02
Coals homework ep 03
Coals homework ep 04
Coals homework ep 05
Coals homework ep 06
Coals homework ep 07
Coals homework ep 08
What kind of coal is used for heating homes?
Anthracite is hard coal. It produces the greatest amount of heat and is used mainly for heating homes. Bituminous coal is soft. Power plants use it to produce electricity. Bituminous coal is also used in steel mills to make coke, another kind of fuel.
How does a coal miner get his coal?
People get coal by mining. In one process, called strip mining, miners take coal from just below the surface. In deep mining, miners dig long tunnels to get to coal that is buried far underground. Mining coal can be dangerous for the miners. Coal miners can be injured or killed when mine roofs collapse.
What are the dangers of working in a coal mine?
Mining coal can be dangerous for the miners. Coal miners can be injured or killed when mine roofs collapse. Gases trapped in coal sometimes cause fires or explosions. Many miners have health problems from breathing in coal dust over the years.
What kind of energy is released when coal is burned?
Coal is a black or brown rock that, when burned, releases energy in the form of heat. One of coal’s main uses is the production of electricity. The coal used today began forming about 300 million years ago. At that time swamps with giant ferns and other plants were common on Earth. When these plants died, they sank in the water.
Last Update: Oct 2021
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Shanena
25.10.2021 01:11Gild a quality paper and leave your worries behind. Coal prices are booming about the globe every bit a global convalescence from the economical impacts of the pandemic drives skyward demand for ability.