South America and Africa have the shapes of the two continent's coastlines which led to the early suggestion they have been joined together in the past.
<u>EXPLANATION:</u>
The map of both the continents are well noticed from the early ages. People have been working to study and taking angular notice on the structure of the joined continent in the past.
The early suggestion was put forward to make a greater and more accurate decision to make in order to justify.
When standing far way from an earthquake the first of all the waves activity that you will notice is that of p-waves being primary these waves travel fast and have the ability to be transferred through the solids, liquids and gas mediums.
They are produced near to the surface by alterations and compactions as it has a higher velocity and thus first to be recorded by the seismographs. Also, primary waves from wave shadow zones i.e are found from 103 to 142 degrees under the surface of the earth.
They can produce small tremors that can be felt for a larger distance in the form of vibrations.
They are Southern States and make up the Deep South.
They were Confederate States.
They all have a northern border with Tennessee.
They all have a border with a coastline and ocean access.