geography: In which continent would you find the Niger river ?

Questions

Trivia : Which chemical element gets it's name from a greek word meaning "stranger"?

Trivia : Which living bird has the longest wingspan?

Trivia : What did Pandora release when she opened her box?

Trivia : How many feet of tape does the average sixty minute audio cassette contain?

Trivia : What was the job of Mellors in "Lady Chatterley's Lover"?