For this reason, it is required by law in many countries (including the United States) that the B vitamins thiamine, riboflavin, niacin, and folic acid be added back to white flour after processing. This is sometimes called Enriched Flour on food labels.
Transform Plate Boundaries. Transform Plate Boundaries are locations where two plates slide past one another. The fracture zone that forms a transform plate boundary is known as a transform fault. Most transform faults are found in the ocean basin and connect offsets in the mid-ocean ridges.
San Andreas Fault boundary. A transform boundary is a type of strike-slip fault that occurs between crustal plates. The San Andreas Fault is the most famous transform fault. It starts in the south at the East Pacific Rise. The East Pacific Rise is a spreading center in the Pacific Ocean.