In the earth crust although the amount of aluminium is more than iron, however aluminium is costly than iron because:

Question: In the earth crust although the amount of aluminium is more than iron, however aluminium is costly than iron because:

1.Aluminium is more useful than iron

2.Aluminium forms more alloys than iron

3.Aluminium made equipments are more acceptable then iron equipments

4.The extraction processes of aluminium is more costly than extraction processes of iron


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