Personal behavior is the only risk factor that determines if a person becomes ill. true or false?

Ok so my eye has been hurting since i woke up and then it keeps getting blurry its only left eye and idk what to do

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern

Which a hammer strikes a compound formed by covalent bounds