Demanding means to forceful towards someone, usually wanting for them to do something.
Certain means that someone is sure of something.
Confident is similar to certain, which is when someone is sure of something.
Assertive is when someone is direct when expressing their ideas.
The most negative of these would be A, Demanding.
Burning gasoline produces carbon dioxide.
Doing something without actually thinking about it. You just go for it and do something without thinking of the other possible outcomes and consequences.
I asked her, “Do you have any science homework”
I think the answer is informative speaking