The answer is letter c.
It can be both natural and human source of pollution. There are times when the intense heat can
trigger a brush fire and can expand depending on how strong the wind
blows. It can be caused by humans. it could due to carelessness of people leaving
flammable materials unchecked. Or using too much fuel that when lit would cause
a brush fire that would expand into a wildfires. The smoke from it pollutes the air.
The phrase <em>cruel cackles of crazed crones </em>demonstrates the sound device known as C) alliteratio<em />n.
Alliteration is the repetition of the same consonant, and here the consonant <em>C </em>is constantly being repeated.
Research can be used to prove something true is tell factual info about something! Research is conducted in a wide variety of topics from illnesses to animals etc.
The genre is Children's Novel.