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.
Be aware of how geography has shaped the two cultures. China covers a vast amount of land on the mainland of Asia, whereas Japan is a group of islands. China shares borders with the countries in the Middle East, Southern Asia, Southeast Asia, North and South Korea, Russia, and Mongolia.