Yes. The Red Sea is actually a geological phenomenon in that sense. It gives geologists a chance to study what happens when two continental plates separate. The actual name for this process is called continental rifting. As the two continents move apart, an elongated depression forms. Eventually, this depression fills with water, which over time, creates an ocean. The Red Sea is part of the East African Rift, and is currently in the early ocean stages.
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It is called a divergent plate boundary.
the direction divergent boundaries move from is away from each other.
Examples of a divergent boundary would be a mid-ocean ridge. Two plates are pulling apart from each other. If you have heard before, the magma from the asthenosphere find a way to get out through the crack of the diverging plates and makes new land. Another type of devergent boundary would be a fissure. It is a long linear crack made by the plates moving apart. I think maybe another one would probably be a volcano, but I am not sure.
these create rift valleys
In plate tectonics, a Divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary) is a linear feature that exists between two tectonic plates that are moving away from each other. These areas can form on the end of continents but eventually form ocean basins. Divergent boundaries within continents initially produce rifts which produce rift valleys. Therefore, most active divergent plate boundaries are between oceanic platesand are often called mid-oceanic ridges. Divergent boundaries also form volcanic islands which occur when the plates move apart to produce gaps which molten lava rises to fill. Thus creating a shield volcano which would eventually build up to become a volcanic island.