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.
To get 1/6 as a decimal all you need to do it divide 1 by 6.
Answer:.1666
Hope this helps
Answer: D
Explanation:
It leads to a healthier heart, coming from the name cardio - respiratory (cardio means heart)
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third one, all of the above