The layer 1 layer, troposphere (Troposhere) because it is the atmosphere that is influencing men and most environmental. The weather man breathe air or wind storm clouds, and style, this layer in the atmosphere occurs.
1st Class calls last Anglosphere (Troposhere) because the atmosphere of the most influential people and the environment. Humans breathe air or clouds, wind and the weather are happening in this atmosphere.
The 1 troposphere (Troposhere) because it is the atmosphere of human influence and environment as much as possible. The weather man breathe or clouds, storms, wind and weather characteristics of various occurs in the atmosphere ศชั้น.