Question

Natural bush fire are generally started by _____ combustion of dry fuel such as Sawdust and leaves.
a)slow
b)Rapid
c)Spontaneous
d)Explosive.
tell me answer please help me ​

Answer 1

Answer:

Natural fires are generally started by lightning, with a very small percentage started by spontaneous combustion of dry fuel such as sawdust and leaves. ... This is because human-caused fires are usually detected early in their duration, and therefore they are usually contained easily.

Answer 2

option (c) spontaneous combustion..