Depending on the context, the word may refer to a tornado, a hurricane, or a large-scale atmospheric system in the midlatitudes.

The point where two air masses meet is called a

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons