What Are The 4 Classical Civilizations?

Classical civilizations – China, India, and the Mediterranean. What were the classical civilizations in history? Classical antiquity (also the classical era, classical period or classical age) is the period of cultural history between the 8th century BC and the 6th century AD centered on the Mediterranean Sea, comprising the interlocking civilizations of ancient Greece and … Read more

Can You Braze Mild Steel?

When mild steel or cast iron are properly braze welded, the strength of the joint, at normal temperatures, is likely to be equal to, or even superior to, the strength of the base metal. … Steel can be braze welded to cast iron. Copper can be joined to brass by a braze weld. Can you … Read more

Who First Taught Sociology?

Sociology is the scientific study of society, including patterns of social relationships, social interaction, and culture. The term sociology was first used by Frenchman Auguste Compte in the 1830s when he proposed a synthetic science uniting all knowledge about human activity. Who were the first sociologists? The French philosopher Auguste Comte (1798–1857)—often called the “father … Read more

Where Do Earthquakes Occur On Divergent Boundaries?

Most earthquakes at divergent plate boundaries occur at mid-ocean ridges where two pieces of oceanic crust are moving away from each other. Some earthquakes at divergent boundaries occur in the middle of continents in rift zones. Do earthquakes happen at divergent boundary? Divergent boundaries are associated with volcanic activity and the earthquakes in these zones … Read more