Consider the following statements : Statement I : Some rare earth elements are used in the manufacture of flat television screens and computer monitors. Statement II : Some rare earth elements have phosphorescent properties. Which one of the following is correct in respect of the above statements?

1. (a)Both Statement I and Statement II are correct and Statement II explains Statement I
2. (b)Both Statement I and Statement II are correct but Statement II does not explain Statement I
3. (c)Statement I is correct but Statement II is not correct
4. (d)Statement I is not correct but Statement II is correct