These areas are named triple junctions and can be found in several places across the world today. The separated margins of the continents evolve to form passive margins. Hess' theory was that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge.
Answer:
The Fertile Crescent is a rich food-growing area in a part of the world where most of the land is too dry for farming. The muddy, swampy land between the Tigris and the Euphrates rivers provided the natural resources that encouraged people to settle in one place.
Explanation:
