Answer:
When a friend shows signs of abusing alcohol or other drugs, it's hard to know what to do or say. If someone can recognize the symptoms of addiction, they may be able to help a friend or family member who struggles with this mental illness. Sometimes it's difficult to distinguish normal teenage moodiness or angst from signs of drug use. One of the hallmarks of substance abuse and addiction is that a person separates themselves from their family and friends and loses interest in hobbies or their favorite things. Bloodshot eyes and mood changes are just two of several signs that someone may be abusing drugs. Anyone who is addicted to heroin usually has constricted pupils.
Answer:
I think the nervous system.
Explanation:
The answer is d i hope i helped<span />
The answer to your first question is D. Three months. The reason why is it takes at least 3 months to have detectible HIV antibodies. In rare cases, it may take up to 6-12 months.
The second question I'm not 100% positive on but I believe the answer would be B.