Use the drop-down menus to choose the letter that correctly identifies each location. The Olmecs:

The Mayas:

The Aztecs:

The Incas:

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

What is the difference between the cultures of central asia and the caucasus region? the majority of people in central asia are muslim; the majority in the caucasus region are christian. the primary language in central asia is armenian; the primary language in the caucasus region is russian. central asia has been plagued by ethnic unrest; the caucasus region has had little ethnic conflict. the effects of soviet rule can still be seen in central asia; the caucasus region has developed its own identity since the fall of the ussr.

At which boundary does subduction stop occurring, resulting in a mountain range?