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 russian revolution was indeed a failure
I think it is a because if the banker had no money and the bet he would’ve been on debt
Because you haven't got the job and is in approtaite<span />