Ore can be divided into oxide ore and sulfide ore according to chemical composition. A: 正确 B: 错误
Ore can be divided into oxide ore and sulfide ore according to chemical composition. A: 正确 B: 错误
Geothermal energy brings air emissions including( ). A: carbon dioxide B: all the options C: hydrogen sulfide D: methane
Geothermal energy brings air emissions including( ). A: carbon dioxide B: all the options C: hydrogen sulfide D: methane
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