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 Geography Map. Located in Southeast Asia along the coastline of the Pacific Ocean, China is the world's third largest country, after Russia and Canada. With an area of 9.6 million square kilometers and a coastline of 18,000 kilometers, its shape on the map is like a rooster.