useless trivia: What Word Means: The Deadly Carrot (!)?

Questions

Even though she was a ‘Canadian’ who became known as ‘America’s Sweetheart’ in the film industry?

Who was Frances Octavia Smith better known as?

Which Flintstone character never made it into the bottles of Flintstone vitamins?

Who was the first woman to climb Mount Everest?

How did teenager Homan Walsh cross Niagara in 1848?