Owner of Jones Mineral Cabinet, Geology and Paleontology Supervisor, interested in Earth and Planetary sciences. #1. Clastic or Detrital Sedimentary Rocks The class(t)ic route begins with the weathering and erosion of sedimentary, igneous, or metamorphic rocks.
A flame retardant is a chemical substance that is added to materials during their manufacturing process in order to both reduce the likelihood of the finished product catching fire and slow down combustion. Source: GreenFacts.
This question brings up the common misconception about the difference between flame retardant vs flame. proof fabrics. The Flame Retardant (FR) Designation for Fabrics. Flame retardant does NOT mean that a fabric will not burn. Just about any flame retardant fabric will burn to. some extent, depending on the degree of heat. What distinguishes an FR fabric from an NFR (non-flame. retardant) fabric is the degree to which each will burn.