Diamond and graphite are two distinct forms of the element carbon. They are used for different purposes. Which row is correct?
- Ato cut glass: diamond; as an electrode: diamond; as a lubricant: graphite
- Bto cut glass: diamond; as an electrode: graphite; as a lubricant: graphite
- Cto cut glass: graphite; as an electrode: diamond; as a lubricant: diamond
- Dto cut glass: graphite; as an electrode: graphite; as a lubricant: diamond