Answer: Rib vaults are groin vaults with extra stone ribbing.
Explanation:
Ty yes i did last week :]
Answer:
Examples of high pitched instruments:
1. Piccolo
2. Violin
3. Flute
4. Saprillo
5. Saxophone
6. Oboe
7. Eb Soprano Clarinet.
Piano can also be a high-pitched instrument, though only when you press the keys with high notes.