Why did the ancient Chinese believe that they were the center of the universe?
A. The arrival of traders from other lands made them an important civilization.
B. The people of ancient China lacked a basic education in world geography.
C. The ancient Chinese people believed they were superior to other cultures.
D. The physical geography kept them isolated from other powerful civilizations.

Data courtesy of the un development programme 2006-2008 and world bank 2009 the chart above compares measures of development using the hdi and gdp. why might turkey rank lower in the hdi indicator even though it has a high gdp?

The rocky mountain system stretching from canada to new mexico is a string of mountains running along the wester united states. what factors would mostly cause this arrangement of mountains? intense pressure undemeath a tectonie plate that could not breakthrough the rock subduction of a tectonic plate, which pushed up a neighboring plate into mountains two plates located at a diverging boundary with a third plate rising between them two plates that melted into molten rock, which later cooled into the shape of mountains

What would be the distance of all the planets to the sun in astronomical units?