In some situations, both plates can include continental material such as where the Indo-Australia plate is subducting beneath the Eurasian plate. Volcanic island arcs are created by volcanic activity associated with the subduction of the oceanic plate.n some situations, both plates can include continental material such as where the Indo-Australia plate is subducting beneath the Eurasian plate. Volcanic island arcs are created by volcanic activity associated with the subduction of the oceanic plate.
The Hyksos brought with them knowledge of bronze weapons, chariots and composite bows. But it is not clear that they were required to use this military know-how to take control of upper Egypt.
But the immigrants were later called the Hyksos, from the Egyptian term heka khasut, meaning rulers of foreign lands. They were a mixed bag of nomadic and semi-nomadic peoples who came to Egypt not as warriors bent on conquest, as we once believed, but as peasants seeking grazing land for their sheep and goats or work as laborers and servants.