Methamphetamine (aka meth/crystal meth) is a very specific drug in the broader drug class of amphetamines. So methamphetamine can't be plural since it's referring to a specific drug, but you can say the drug belongs to a drug class called amphetamines.
That is the correct spelling of the drug "methamphetamine" (meth or crystal meth).
The plural of "she" is "they", so the plural of "she had" is "they had".
The plural of rose is roses. The plural possessive is roses'.
Knights is a plural. It is the plural for knight.
applied is does not have a plural but is apply it does have a plural.
Methamphetamine
No, but it is an amphetamine. "Pharmaceutical" meth. The only thing that contains methamphetamine is methamphetamine.
No, they do not contain methamphetamine.
The chemical formula for methamphetamine is C10H15N
Methamphetamine is a euphoric stimulant of the amphetamine class.
There is no methamphetamine whatsoever in Oxy.
No, seroquel is an antipsychotic methamphetamine is a potent psychostimulant
Meloxicam is a non-steroidal anti-inflammatory drug. It seems amphetamine & methamphetamine, two different drugs, were mistaken. No drug can be "a methamphetamine" since methamphetamine is crystal meth.
No it can not, Alcohol is a liquid form, Methamphetamine is a solid form.
Methamphetamine (crystal methamphetamine, tina, crystal meths, krank, tweak, ice)
No, "methamphetamine" should not be capitalized unless it is at the beginning of a sentence.
Methamphetamine is cut with MSM (not MSN) by adding the powdered MSM to the powdered methamphetamine. This is a process that is illegal and extremely harmful to users of the narcotic.