With reference to the Rare earth minerals, consider the following statements:
1. They are called 'rare earth' because they are rarely found on Earth.
2. They are lustrous silvery-white soft heavy metals.
3. It is indispensable in the manufacture of advanced defence equipment.
Which of the statements given above are correct?1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3