The tastiest cuts of beef are often the ones with more fat. But when you're concerned about your health or you're trying to watch your weight, you want the leanest cuts of beef. You don't necessarily have to sacrifice flavor by choosing lean cuts of beef, though. Use this guide on cuts of beef to make smart choices.
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO 3).
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO 3). Glass making, in some circumstances, uses limestone. 2  It is added to toothpaste, paper, plastics, paint, tiles, and other materials as both white pigment and a cheap filler. 3  It can suppress methane explosions in underground coal mines. 4  Purified, it is added to bread and cereals as a source of calcium.