It can be a challenge to distinguish allergic symptoms from dry eye symptoms. Treating a patient who presents with concurrent allergy and dry eye symptoms, however, can be an even greater challenge.
User: how did chinas physical geography affect the development of its early civilizationWeegy: Chinas physical geography affected the development of its early civilization, because they were not close to any other countires, so they did not know to trade with other countries or did not know any other cultures.
Perhaps the two most important geographical features of Ancient China were the two major rivers that flowed through central China: the Yellow River to the north and the Yangtze River to the south.angtze River. The Yangtze River is south of the Yellow River and flows in the same direction (west to east). It is 3,988 miles long and is the third longest river in the world. Just like the Yellow River, the Yangtze played an important role in the development of the culture and civilization of Ancient China.