Good Riddles

Question: There once was a green room, what was in it

Question: What force and strength cannot get through, I with a gentle touch can do, And many in the street would stand, Were I not a friend at hand.

Question: From a Bishop to a redhead Or an elf to an Inca From solitary to shy From green to purple Or Garnet to wood From glossy to magnificent Even a fish to a rhinoceros.... What are they?

Question: To dye a single Easter egg takes 7.5 minutes if you leave it in dye. How long would it take to dye 3 eggs?

Question: I'm a measurement of time.
But you'll find me on a map, not a clock.

What am I?