The release of stored energy from rocks that are deformed by stress is called elastic

Stress on rocks occurs when a force exerts a force in some area forming a tension, which causes a change in the shape, size and volume of a rock. There are three types of deformation stage of a rock: elastic, ductile and fracture.

Elastic deformation occurs when stress can be reversible, in ductile deformation is irreversible and in fracture the material breaks.

united states government;

muslims have taken his goods and products to different parts of asia an indonesia. sometimes just traveled and trade, but in other occasions, stayed in the place and made a living.

trade was the key for muslims economies to prosper. their commerce routes reached far places like malaysia and java in the 11th century.

another important factor for prosperity was that muslim states served as the middle point for european traders.

they used to travel by land but sailing the seas -the indian ocean- really increase the exportation of products.