<span>The perception of risk or danger associated with drug use indicated how likely a subject is to use the drug in the future. If he believes it is very dangerous, he is less likely to try it. Therefor the perceived level of risk indicated the future trend of drug use.</span>
<span>It has devloped new technologies to reduce pollution.
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Answer:
Profession is the means to earn a living. You adopt a profession of your choice and then earn your livelihood around it. Training is required for you to succeed in any profession. You have to sharpen your skills and alert yourself to do your tasks correctly.
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