U5.S2.B2: Explain the composition & the layers of the atmosphere.
1. Layers of atmosphere
-tropo, strato, meso, thermo, & exospheres
2. Composition of atmosphere
-gas abundances by percent
-nitrogen, oxygen, carbon dioxide
-greenhouse gases
3. Air pollution
4. Ozone depletion (ozone hole)
-chlorofluorocarbons
1. Layers of atmosphere
-tropo, strato, meso, thermo, & exospheres
2. Composition of atmosphere
-gas abundances by percent
-nitrogen, oxygen, carbon dioxide
-greenhouse gases
3. Air pollution
4. Ozone depletion (ozone hole)
-chlorofluorocarbons