Good Riddles

Question: I can be dropped from the tallest of buildings and survive,but drop me from the smallest ship and I won't.What am I?

Question: Why would a hair stylist rather cut the hair of two brunettes than one red head?

Question: Does England have a 4th of July?

Question: I have every color, but no gold.

What am I?

Question: Two criminals, Rob and Stan, are thrown into jail. But they plan to escape. There is a open window twenty feet off the ground. They try and try but are never able to reach it. They decide to dig their way out instead. After months of digging, they come up with a much easier plan. The plan works and they escape.

What was the plan?