most people say 20,000 million years ago, but thats impossible!
take it out of the oven and leave on a raised surface. leave for as long as it takes to cool down. Ten to 15 minutes should be plenty.
a valley
The coldest biome on Earth's surface is the tundra. This biome has long, cold winters with temperatures dropping below freezing, and short, cool summers. The tundra is characterized by low biodiversity and a layer of permafrost beneath the surface.
The East Africa Rift System
pipe
Since the begining of time.
8 minutes or 500 seconds(approx.)
It depends how long you're heating it.
The time it takes for bread to cool down can vary, but typically it takes about 30 minutes to an hour for bread to cool to room temperature.
If you only ran 15 minutes it shouldn't be very long of a cool down. Just don't sit down after, your legs will get really sore
Brakes typically take about 30 minutes to cool down after heavy use.
Urine typically takes about five minutes to cool down to room temperature after being expelled from the body.