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.
A: According to the Canadian Museum of History, one of the primary ways geography affected early civilizations was in determining the location of settlements. Since early humans needed access to water and fertile ground for agriculture, cities tended to spring up along rivers and flood plains.