S-waves can only travel through Solids. They can not travel through a Liquid or a Gas.
Northern Egypt was called Lower Egypt
Southern Egypt was called Upper Egypt
This seems backwards of what you think it would be but these names are actually because of the direction the nile river flows. Some benefits of the Nile River are 1) Fertilized crops 2) Drinking water 3) Transportation. Without those things, Egyptians would not have been able to prosper like they did. The population would be smaller and possibly nonexistent. There would be no society.
If I had written your question in English, I could have helped you
Answer:
Under Article V of the Constitution, there are two ways to propose and ratify amendments to the Constitution. To propose amendments, two-thirds of both houses of Congress can vote to propose an amendment, or two-thirds of the state legislatures can ask Congress to call a national convention to propose amendments.
