Respuesta :
Correct answer: A). Fire
The forest fire is an uncontrolled fire that occurs in nature. Sometimes it is so strong that it takes a lot of time for the firefighter to have control. It results in the huge destruction of vegetation. It is caused by two ways mainly by the lightning or by the human cause. The natural cause of forest fire is sawdust and leaves that are caused by lightning and spontaneous combustion of dry fuel.
Hence, the correct answer would be option A.