It all really depends on the species, the amount of food it eats, it's temperature and even injuries can effect the snakes ability to shed it's skin. Some snakes can shed as frequently as once every month, others much slower.
They regularly shed their skin its quite irreagular for them to shed skin though..
It depends how big the snake is. Young ones' teeth are tiny, and are unlikely to puncture a persons skin. An adult, however, has teeth that are 3-4mm long, and are capable of breaking the skin.
Rat traps or rat poison :-)
No. A rat snake is not poisonous.
Rats... that's why it's called a rat snake.
There is no recognised species called a 'brown rat snake' - HOWEVER - Members of the Rat snake family are constrictors - not venomous.
That depends. The term black snake can apply to many different species of snake. The black rat snake, Pantherophis obsoletus, sometimes called the black snake, is indeed a rat snake.
They shed a lot!
The longest black snake in North America is named the black rat snake. The record size recorded of this black rat snake is eight feet in length. Which makes the black rat snake is the record longest.
is a rat snake able to kill a copperhead and rattlesnake
No.
Rat snakes are generally black whereas corn snakes are orangey yellowy and look like ground up corn.