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.
Agricultural gave humans a food security which was less riskier than hunting. Major civilizations were raised along the big River basins. If one look at the population density map of Asia, it is easy to understand that in India it is more in Gangetic Basin and in China it is between Yellow and Yangtze rivers. â.