Good roofers are experienced in installing flashing and other materials that provide an extra layer of protection from the elements. They can also diagnose ceiling leaks and determine how water is getting into a building. Why might roofers earn more money than drywall hangers?

Roofers need specialized experience to install flashing, protect buildings from weather, and diagnose leaks. These tasks involve more complex weather-related situations than drywall hanging, which helps explain why roofers may earn more. Choice A captures this difference; choice C is too broad because roofers are not generally responsible for a building’s structural integrity.

AI-written and checked against the verified answer.