What is the lowest main layer of earth's atmosphere

- What is the lowest layer of earth's atmosphere
- What is the second lowest layer of earth's atmosphere
- What is the lowest layer of air in earth's atmosphere
- What is the lowest layer of earth's atmosphere called
- What is the lowest layer of earth's atmosphere where weather occurs
- What is the lowest layer of earth's atmosphere where most weather events occur
- What is the lowest layer of earth's atmosphere where all weather occurs
- What is the lowest layer of the earth's atmosphere where weather occurs and most clouds are found
- What is the second lowest main layer of earth's atmosphere