Misc: What President invented the Odometer?

Questions

It is estimated that millions of trees in the world are accidentally planted by _______ who bury nuts and then forget where they hid them?

Ernest Vincent Wright wrote a novel, "Gadsby", which contains over 50,000 words -- none of them with the letter?

A toothpick is the object most often _______ on by Americans?

There are more than ________ earthquakes throughout the world every year?

The original name for the butterfly was?