Coal from swamp plants that formed millions of years ago.
A non renewable resource wouldn't replenish naturally like, oil.
A renewable resource is something that can replenish naturally, like wood or wool.
The Doppler radar used in weather forecasting measures the direction and speed, or velocity, of objects such as drops of precipitation. This is called the Doppler Effect and is used to determine whether movement in the atmosphere is horizontally toward or away from the radar, which aides in weather forecasting.