Section: Human Geography

3) There are some extremely small states in the world that have all but which of the following characteristics?

1. All are smaller than 1,000 square kilometers
2. Many are islands
3. Most are in the southern hemisphere
4. They are called microstates

A microstate or ministate is a sovereign state having a very small population or very small land area, and usually both.  Many are islands, and they are smaller than 1,000 square kilometers, but many are located in the northern hemisphere, which makes that the best answer.