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.
The high-held tail pointed straight up is the feline equivalent of a âhowdy!â and means Kitty welcomes attention and interaction. However, dog tails held straight up with little movement mean the opposite â and in dog-cat households in which pets donât speak the same language, a spat may ensue. A relaxed cat's tail curves down and back up in a gentle U. The more interest he feels, the higher the tail.