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 has a tremendous variation in climate. (Photo: tibet image by jerome DELAHAYE from Fotolia.com ) The People's Republic of China is the world's fourth largest nation; the climate over its vast area is varied. When distinguishing between the climates of eastern and western China, geography plays a large role. Western China, including the region of Tibet, is mountainous and includes vast plateaus, while ...