by Diana Filer

  1. Which British poet at the age of 30 married a 16 year-old girl who bore him 12 children?
  2. How did the American part of Niagara Falls become dry in 1969?
  3. What is a blockchain?
  4. The Cape Breton Highlands are an extension of which mountains?
  5. What is the joint in such animals as horses, dogs and sheep that corresponds to the human knee?