Problem: What is the name of the former island in the East End of London that is bounded on three sides by one of the largest meanders in the River Thames, with the West India Docks to the north?
Answer: isle of dogs

Problem: Apart from the oboe which other instrument in a standard orchestra has a double reed?
Answer: bassoon

Problem: In 1932 the Kingdom of Hejaz and Nejd unified with the regions of Al-Hasa and Qatif to form which country?
Answer: kingdom of saudi arabia

Problem: What element are diamonds made of?
Answer:
carbon