It's A because not wearing goggles could result in pieces of rock going into someone's eyes.
Because of natural evolution , ecosystems began to form broad belts for survival .
Urban area" can refer to towns, cities, and suburbs. An urban area includes the city itself, as well as the surrounding areas. Many urban areas are called metropolitan areas, or "greater," as in Greater New York or Greater London.
I’m not sure if this was the answer you were looking for but I hope this helps ✨