AP PSYCHOLOGY

Detailed explanation-1: -The main, active ingredient in marijuana is THC (short for delta-9-tetrahydrocannabinol). This ingredient is found in the leaves and flowering parts of the marijuana plant. Hashish is a substance taken from the tops of female marijuana plants. It contains the highest amount of THC.

Detailed explanation-2: -The THC is largely concentrated around the flowering parts of the female plant. The leaves and male plants have less THC, while the stalks and seeds contain almost none.

Detailed explanation-3: -THC, the psychoactive cannabinoid, is produced by the cannabis plant to protect the plant from disease, predators, heat and UV rays.