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).
Yes and No. It would not be a good idea to try eating limestone  rock. However, limestone is made of Calcium Carbonate and this  chemical (particularly the Calcium it contaiâ¦ns) is required by the  human body to make bones and is an important component of animal  (including human) diet.