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.
China's per capita water resources are only two-thirds of the world average. With population growth and industrial growth, water shortages have not only affected arid and semiarid areas, but also major cities. This is having a negative effect on China's economy and could lead to a reduction in economic growth.