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 brief history and geography of China from the most ancient dynasty to 1900. Note that the borders of what was designated as âChinaâ varied over the centuries, though the fertile area along the Yellow River (Huang He) in Northern China was always central.