Process manufacturing produces co-products and by-products. A co-product is a saleable end item that results from a process. A by-product is a material of value that is produced incidental to or as a residual of the process.
D. a rock with metamorphic minerals but no foliation or lineation. A shale is metamorphosed into three rock types: (1) a banded gneissic rock; (2) a rock with small mica crystals with a shiny aspect; (3) a very shiny rock with large mica crystals; and (4) a dull slate with cleavage. Which of the following lists these rocks in order of increasing metamorphic grade?
Nail Polish. The secret ingredient that makes nail polish sparkle is fish scales; Herring to be exact. The iridescent qualities of the scales make them âidealâ for grinding up into glitter. Nail polish may also contain stearic acid, glycerol and cochineal, or crushed bugs, all animal byproducts.