Explanation:
Both cobras and rattlesnakes are dangerous snakes. Both snakes deliver fatal bites to humans. but their venoms are of different type.
Cobras are long slender snakes, they usua grow between 4 and 6 feet, although they are other species which grow up to 18 to 24 feet. a Cobra can be identified with its most common features 1.hood behind their heads.
While a rattle snakes gives a warning sign when approaching this sound is known as rattle.