To be honest, I can’t really see the question. So please next time just type it out lol
The correct answer would have to be true
Answer:
Incomplete combustion of fuels produces a very poisonous gas called carbon monoxide:Excessive inhaling of carbon dioxide gas can kill a person.
I don't know if this is correct, your question did not have much context.
I think the answer is C. An element or compound that cannot be physically separated. Sorry if im wrong.
