Marijuana, the most often used illegal drug in this country, is a product of the hemp plant, Cannabis sativa. The main active chemical in marijuana, also present in other forms of cannabis, is THC (delta-9-tetrahydrocannabinol). Of the roughly 400 chemicals found in the cannabis plant, THC affects the brain the most.
Cats 'vibrate' when marking territory-spayed cats can also 'dry' spray. Spayed male cats urine doesn't smell. They swish their tales as a sign of annoyance or anger. If the tip of the tail 'trembles', it's quite often a sign of being 'unsure' about something. Source(s): Cat owner.
Cat tail signs, such as a flicking tail, can mean many things. If a cat is flicking itâs tail and is crouched, itâs usually an indication that they are stalking, or watching prey, ready to pounce. At other times, the flicking tail will indicate that the cat is annoyed and you should keep away.