Explain why substance abuse by injection is so dangerous?

Ineed advice! its importantokay so.. i made a bad choice at school and was sent to an alternative i go back to my home school at the end of the month ..and i'm seriously scared to go back because i know people have been talking about me behind my back calling me names.. and when i walk into first block everyone is going to stare and start talking about i've lost friends and i'm alone.. the whole school now thinks i'm something that i'm i don't know what to do when i get back or how i'm even going to survive the first day. i want people to leave me alone but i know they won't.. anyone have advise? i really need it.. ime getting terrible anxiety from me thinking about all this stuff

Most of the world's booming population growth is occurring in countries that arenot highly industrialized. the high birthrates in these countries often result inlower standards of living. which of the following would be the best solution tothis global economic problem? o a. encouraging developing countries to participate in global tradeob. creating an international seed bank to protect biodiversityoc. forming strict regulations on greenhouse gas emissionso d. establishing international agreements to prevent overfishingis it a b c d

Wich technque is not recommended for use as a supporting detail