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.
By the time of the Hyksos invasions of Egypt, c. 1600 BC, horses were pulling chariots with an improved harness design that made use of a breast collar and breeching, which allowed a horse to move faster and pull more weight.