Which of these pearls are the most valuable in the world?
- Natural pearls with the most unusual shapes
- Natural pearls that are perfectly spherical
- Cultured pearls with spherical shape
- None of these
Answer
The correct answer is B) Natural pearls that are perfectly spherical.
More Science & Technology questions
- Which of these methods is a reliable way to distinguish a natural pearl from a cultured one and a fake one?
- What is the name of the largest known pearl on the planet?
- What kind of pearls are the so-called Keshi pearls?
- In which of these places natural pearl hunting on a large scale has survived until modern times?
- In which of these unusual colors can natural pearls come?
- The B vitamins group was once thought to be a single vitamin. There are now eight officially recognized B vitamins referred to as vitamin B complex. Which of the following is not a vitamin from the B group?