What peninsula is held together, at its narrowest point, by the Isthmus of Kra?

More Questions:

What type of animal was selected to test out the first electric toothbrush?

How deep is each end zone on a CFL football field?

Which US state's name is derived from the French words for "green mountains"?

Which state is located on the northern border of Pennsylvania?

The point on land closest to the North Pole belongs to what nation?

What is the closest foreign country to the US which does not touch the US?

What is a group of toads called?

What irrational mathematical constant is known as the golden ratio?

Who played the title role in the film "Mad Max Beyond Thunderdome"?

What is the name of Mr. Krane's dog on the TV show "Frasier"?

In The Simpsons, where does Bart go as a foreign-exchange student?

What do the letters PJ stand for in PJ Harvey?

Which great battle took place from July 1 to November 18, 1916?

What year was the first patent for a pencil sharpener applied for?

Which US actor, widely known for his portrayal of Batman, passed away on June 9, 2017?