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.
How geography influenced civilization in China. Long distances and physical barriers separated China from Egypt, the Middle East, and India. This isolation contributed the Chinese belief that China was the center of the earth and the sole source of civilization.