How many strings do most guitars have?

More Questions:

What islands are home to most of the world's blue-footed boobies?

Which country covers an entire continent?

Tunisia is part of which continent?

What is the capital of the US state of Maryland?

What do nephologists study?

What country did poinsettias originally come from?

Due to getting sick, which astronaut was replaced in the Apollo XIII mission?

What South American monkey takes its name due to its similarity in appearance to a nocturnal bird?

On the Fahrenheit scale, there are 180 degrees between which two important points?

On what TV show did Alanis Morrisette appear in the 1980's?

Rupert Giles was the librarian-mentor on what popular TV show?

What is the more common name for the Bigelow Expandable Activity Module that was added to the International Space Station in 2016?

What 1980's cartoon was a showcase for "New Wave" Music videos?

Which character did Anton Yelchin portray in the Star Trek film series reboot, prior to his death in 2016?

Which is the largest state in Australia by land area?