Why is smokeless tobacco considered a dangerous alternative to cigarettes? A. It contains more than twice the nicotine of one cigarette.

B. It releases more carbon monoxide than cigarettes.

C. It causes stained teeth but also drooling.

D. It eliminates nicotine but delivers more tar instead.

Darren was recently ticketed for speeding over 110 mph on the freeway. when the police officer stopped darren and asked him why he was going so fast, he replied that he was "king of the world." the month before this, darren felt sad and listless and had trouble getting up the energy to go to school. he probably suffers from:

Which action is characterized of mental illness 1.brushing teeth every hour because ones mouth feels dirty ? 2. forgetting to eat breakfast on a busy day? 3.crying three days over a relationship breakup? 4.feeling embarrassed about going to school after failing in front of friends?

Describe the overall function of the nervous system