What is an exclusive zone (EEZ)? Why are EEZs important to the economies of pacific island nations?

The length of the path between two points is what

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

What was the great rift valley formed by