The Aleutian Islands and Aleutian Trench are an example of what type of plate boundary?

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

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

When geographers describe how two places are related to each other spatially, they are describing a. where the places are located in relation to one another b. what kinds of natural environments are around each place c. how each place is changing over time d. what kinds of cultures are in each place