Answer:
True: over time it will require more nicotine to deliver the same feelings.
Explanation:
when you get to a certain high the first time, that's the highest you'll be. you start to build a tolerance and need to intake more nicotine to get to that same feeling.
I think it is abdominal muscles
What I would do after learning more about good communication skills, is start an interesting topic with a friend. I would make sure to keep eye contact, and maintain good body behavior. By doing this, I will seem fully in the conversation. Another good idea when communicating with someone, is to think before you speak., knowing what you're going to say next will definitely make it easier to speak clearly.