There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements. CROSS SECTION shows Earth's structure.
â The operating margin was an especially useful metric or ratio during the meeting as we wanted the discussion to include revenue statistics.
âWhat is a Good Operating Margin?â is an important question to answer when youâre analyzing a business. Itâs also important to keep an eye on operating margins when trading stocks. Thatâs because a good operating margin indicates your company is on a path to profit.