| A | B |
|---|
| layer of atmosphere where weather occurs | troposphere |
| layer of atmosphere that airliners prefer to fly in | stratosphere |
| abbreviated as CFC | chlorofluorocarbon |
| highest layer of atmosphere | thermosphere |
| third layer of atmosphere | mesosphere |
| mixture of many gases in lower atmosphere | air |
| study of the Earth's atmosphere | meteorology |
| temperature body feels due to wind speed | windchill |
| around 78% of air is this gas | nitrogen |
| around 0.03% of air is this gas | carbon dioxide |
