| 1 | The mission will also observe clouds and aerosol particles in the troposphere. | |
| 2 | The study is the first long-term data analysis of aerosol formation at high altitudes. | |
| 3 | That' s true, but aerosols play a critical role in the process. | |
| 4 | Previous studies have shown how falling aerosol pollution will affect the rate of global climate change. | |
| 5 | The environment was noxious, the air full of acid and metallic aerosol particles. |