After being used for military purposes during the Civil War, coal was first used to generate electricity for homes and factories in the 1880s. As a fossil fuel, coal played an important role in the ...
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Renewable and Non-Renewable Energy Resources: Check their Types, Examples, and Key Differences
A natural resource is defined as a form of energy and/or matter which is essential for the functioning of organisms, populations and ecosystems. In the case of humans, a natural resource, in his words ...
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