题目信息
Extracting pure aluminum from bauxite and other ores using the Hall-Héroult process, with a vast amount of electrical energy separating the element from aluminum oxide, making aluminum an energy-dense resource with a huge carbon footprint.
A:using the Hall-Héroult process, with a vast amount of electrical energy separating the element from aluminum oxide, making
B:by means of the Hall-Héroult process, in which a vast amount of electrical energy separates the element from aluminum oxide, making
C:by means of using the Hall-Héroult process, in which a vast amount of electrical energy separates the element from aluminum oxide, is making
D:by means of the Hall-Héroult process, in which a vast amount of electrical energy separates the element from aluminum oxide, makes
E:using the Hall-Héroult process, with a vast amount of electrical energy separating the element from aluminum oxide, makes
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D:by means of the Hall-Héroult process, in which a vast amount of electrical energy separates the element from aluminum oxide, makes
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