useless trivia: What Word Means: A Scale - An Unreliable Person?

Questions

The video game character Mario made his debut appearance in.?

The Voyage of the Beagle told of which scientist's discoveries?

The word rodent comes from the latin word 'rodere' meaning what?

The world's costliest coffee, at $130 a pound , is called what?

The world's smallest mammal is the _______ ___ of Thailand, weighing less than a penny?