Why can't you renew oil and natural gas?

What is the scientific name for Uranus? This a natural or man made body of water that can form when a depression on earth fills with water? Can bacteria have the ability to make their own food? Is there as much oxygen in the air in Denver as there is in Boston? 501 mm is how many inches? What are 5 parts to a map? The other path from the throat leads to the lungs it is called? How convert inches to yards? Is electricity is natural or man made? What is pangaea and what caused pangaea to separate? Does the rate of cell division differ from one tissue type to another within an organism? How automobile engine applied to Boyle's law? Shines brightly in the center of a distant galaxy because of the friction of material spiraling around it? Where do mosses need to live and why? Who discovered the star rigel? Who discovered pollination? What would happen if there would be no ovary on a plant? If you have seas with no water coasts with no sand towns without ponies mountains without land What are you? What is classes in noun? What are Jupiter's white stripes?