I believe it would be agriculture which brought them more money thus leading to a stronger economy.
Answer:
A. The astenosphere is denser than the lithosphere
Explanation:
The theory of isostasy is a theory that suggest that the layers of Earth are arranged in accordance to their density. It is a theory that usually refers to the mantle and crust. The mantle (astenosphere) is denser than the crust (lithosphere), so the crust floats on top of it, depending on its density, with he continental crust being higher, while the oceanic crust being lower. The two forces that are responsible for this are the gravity and buoyancy.
Answer:
a
Explanaiton that was what i think nasa told me i hope this helps
An isthmus is a narrow strip of land connecting two landmasses
