I give this work to everyone who saw it and wished to be a brick in the way of scientific research and all thanks to those who helped me in the preparation of the final form of professors and colleagues and I hope that every student will have the opportunity to achieve his goal And that science is the way to reach common points that bring together the people of this planet to achieve lasting peace and communication among peoples to provide better for humanity and to lay the foundations of justice, equality and a decent life for all.