Nicotine is the drug in tobacco that causes pleasant feelings and distracts the user from unpleasant feelings. Over time, a person becomes physically dependent on and emotionally addicted to nicotine. This physical dependence causes unpleasant withdrawal symptoms when you try to quit smoking or other forms of tobacco. There are mental and emotional effects, too. Nicotine actually affects brain chemistry and emotions.
The correct answer is C. Play is necessary to reenergize human cognition. When children play, it stimulates their senses, their motor skills and their language patterns. :))))
