Which of the following statements about the uses of metals is correct?
- AAluminium has a low density and good electrical conductivity which make it suitable for overhead electrical cables.
- BAluminium food containers can only be used for a short time because chemicals in the food react with the aluminium.
- CElectrical wiring made from copper is covered with plastic because copper corrodes easily.
- DCopper is used in the manufacture of aircraft because it has a low density and is not malleable.