1. Stephen Hawkins, who is confined to a wheelchair talks with the aid of computors, is best known for his study of what.
2. Wallace Carothers invented a stong, light synthetic fibre. What is it called.
3. Which country's music would be played by a sarangi, a tabla or a shanzai
4. A cappella, 'in church style, is what type of song.
5. If a chord is played with the notes individually sounded, how is it described.
cheers Penny