Logic Riddles

Question: How can you take 9 away from 8?

Question: You're in a VERY dark room. You enter it, and immediately everything you see dissolves into darkness... But suddenly, you see the faintest red light. You COMPLETELY close and cover an eye, but You can still see the red light. How is this possible?

Question: What has rivers but no water, forest but no trees and cities but no people.

Question: I am life without death, death without life, a world with no space, space with no world What am I?

Question: A man in downtown runs a tea shop, one day his bulb goes out, so he gets on a ladder to replace it, however; he falls off and his priceless Chinese attire gets covered in tea, yet he is able to salvage it, how?