An area that has specific boundaries or characteristics such as cities, states, or mountain ranges is what type of region?

Ron is moving to oceania because his mining company recently opened a new operation there. to which of the following islands is ron most likely going? a. papua new guinea b. bikini atoll c. tahiti d. palmyra atoll

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?