I believe high doses of stimulants can influence driving capabilities by inducing dizziness, panic reactions and hallucinations. Stimulants are substances that can affect a person's mood, often giving the user extra energy and a stronger sense of well-being. They can range from legal substances such as nicotine and caffeine to illegal drugs like cocaine and methamphetamine.
Because it is a learned behavior
Umm...
biology is the study of life
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A catalyst works by providing an alternative reaction pathway to the reaction product. Furthermore the rate of reaction is increased.