Portal of exit, i think. Its open wounds on the skin in the chain.
D. The consumption of legal and illegal drugs
Absorbance =

100÷%T
A=

2.105 <=>
<=> A=0.3233
To 47.5%T corresponds 0.3233 absorbance.
Answer:
Teens may use a substance for many reasons. They may do it because:
They want to fit in with friends or certain groups.
They like the way it makes them feel.
They believe it makes them more grown up.
Teens tend to try new things and take risks, so they may take drugs or drink alcohol because it seems exciting.
Teens with family members who have problems with alcohol or other drugs are more likely to have serious substance use problems. Also, teens who feel that they are not connected to or valued by their parents are at greater risk. Teens with poor self-esteem or emotional or mental health problems, such as depression, also are at increased risk.
Explanation:
Answer: frames of the mind
Explanation: its from textbook