THCa is the precursor to Delta-9 THC. THCa is not psychoactive, but Delta-9 is. THCa is converted to Delta-9 above 150 degrees Fahrenheit; as in smoking.
Maybe the question Michelle is asking is what is THC? It is the psychoactive chemical in marijuana that gives you the high feeling.
I believe it's THCA.. chemical in the marijuana
Huh...not sure I understand the question
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