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.
Oxygen+Heat+Fuel=combustion or fire Fire is the rapid oxidation of a material in the chemical process of combustion, releasing heat, light, and various reaction products. The flame is the visible portion of the fire and consists of glowing hot gases.