Question

Which detail best supports the idea that humans are often to blame for wildfires?


Heat and fuel are often supplied through natural means such as the weather.


Volcanic eruptions and spontaneous combustion can spark wildfires.


Four out of every five wildfires are the result of human action.


Wildfires require a great deal of equipment and human power to control.

Answer 1

"Four out of every five wildfires are the result of human action." This directly shows most wildfires are caused by people.