Solid rock is much denser than liquid magma when the relatively cool rock of a tectonic plate enters the liquid lower mantle how would you expect the cool rock to move within the liquid portion of the mantle ?

What role did the waterways of europe play in development of europe's economy

While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?

What was the most difficult obstacle to overcome in the creation of an autonomous state after indian independence was achieved? a british willingness to go to war to retain the region b. religious differences between hindus and muslims c. ethnic differences between tribal regions d. indian princes' inability to decide on a format of government