Coal is a cost-effective and reliable form of energy, but there are concerns about the impact that coal has on the environment. It is a fossil fuel that is found in mines in countries around the world, including the Unit... More »

Nuclear power offers the same or better electricity generation capabilities as coal but without the dangerous air pollution coal generation produces. Nuclear power also has advantages in terms of energy density, as a sin... More »

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Advantages of using coal to heat a home include affordability, having a clean source of fuel, being able to store it anywhere and using it in place of a traditional hot water heater. Homeowners might also like the fact t... More »

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There are numerous natural resources in the world, but 10 of the most important are fossil fuels, which include petroleum, coal and natural gas; minerals, forests and vegetation; animals; air and wind; water; sunlight; s... More »

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Using uranium has many advantages and disadvantages, including the advantage of being cheaper than coal and the disavantage of it sometimes being dangerous to use. Its use is a topic of debate in many countries around th... More »

Advantages of using geothermal energy include lower operating costs than many other fuel sources, pollution-free energy creation, and a reduction in the use of non-renewable fossil fuels such as coal and oil. Further adv... More »

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Due to the wide variety in the composition of coal, its position on the Mohs hardness would vary based on the type of coal that is measured. However, because coal is not a mineral, it would not be measured using the Mohs... More »

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