Complete the statements by using the drop-down menus. The
are all bodies of water in the Western Hemisphere.
The
desert can be found in the Western Hemisphere.
The
is a mountain range found in the Western Hemisphere.
The
river can be found in the Western Hemisphere.

All of the following were pre-columbian civilizations in latin america, except

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

The graph below plots the temperature and luminosity of stars on the main sequence.