In a word, No.
Yes.
Snort
Snorting cocaine is significantly worse than smoking marijuana. If you do your research smoking marijuana over the age of 25 causes very little harm.
crack cocaine
Yes, marijuana can be laced with DMT. DMT can be made stable in a powdered form, at which point you can put it into a marijuana cigarette or whatever you use to get high. HOWEVER... The effects of DMT are so much stronger than the effects of marijuana that you wouldn't even notice the pot. DMT is an extremely potent drug. Marijuana CAN be laced with DMT, but it is an unnecessary and wasteful practice.
Well yes, Heroine, Meth, and such are worse i think
dmt
Xanax and Opiates
Cocaine is definitely worse. Cocaine is an addictive drug while marijuana is only emotionally addictive. Cocaine is also a drug where you can overdose on whereas you can't overdose on marijuana. Also, cocaine isn't always pure so you can end up snorting rat poison along with it.
DMT is not called hippie crack. Hippie Crack is what people call nitrous balloons. DMT is called DMT or Dimitri.
Yes, DMT is known to have hallucinogenic properties.