I think that it is Legend that can help determine the meaning.
Hope it helps
I guess so ....
Explaination:
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Answer:
Discover five ways the mining industry can reduce environmental impact and make its practices more sustainable.
Lower-Impact Mining Techniques. ...
Reusing Mining Waste. ...
Eco-Friendly Equipment. ...
Rehabilitating Mining Sites. ...
Shutting Down Illegal Mining.
Explanation:
Description
Geothermal heating is the direct use of geothermal energy for some heating applications. ... Geothermal energy originates from the heat retained within the Earth since the original formation of the planet, from radioactive decay of minerals, and from solar energy absorbed at the surface