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.
The geography of Africa helped to shape the history and development of the culture and civilizations of Ancient Africa. The geography impacted where people could live, important trade resources such as gold and salt, and trade routes that helped different civilizations to interact and develop.