Parallel drainage pattern. A parallel drainage system is a pattern of rivers caused by steep slopes with some relief. Because of the steep slopes, the streams are swift and straight, with very few tributaries, and all flow in the same direction.
1 In Creative, the player can use spawn eggs to spawn most mobs. 2  When mobs are spawned this way, all normal spawning requirements, such as light level and block type, are ignored. 3  Any entity can be spawned using the /summon command.
Answers. 1  The only mobs that could attack you are slimes, and they only attack if you do so first. 2  No hostile mobs dont but passive mobs do and wolfs plus all hostile mobs despawn. 3  Only passive mobs such as farm animals, wild wolves, and ocalots (wild cats, unsure how to spell it) spawn in peaceful mode.