Which civilization emerged on its own because its was geographically
isolated?
*

China is geographically isolated. Although the Shang traded with other civilizations, their limited contact with others produced an ethnocentric outlook. They called their land the Middle Kingdom, an assertion that implied that other people were on the periphery of the civilized world.

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

where is the picture?