The dictionary defines layer as:1. a thickness of some material laid on or spread over a surface:
Effect is defined as 1. Something that is produced by an agency or cause; result; consequence.
In this case the material is aluminum, barium,ect......And the effect's are too many to list.
Chemtrails are a electromagnetic chemical /biological warfare against humanity!
Please Wake Up! and Look Up! Things are not as they seem Kauai.
the pic's are East side of Kauai March 22,2011. Notice the layer after layer until the sky is saturated.