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.
RE: What is the difference between the profit margin and the operating margin? What I gathered from the articles I have read is that both concepts are the same, except that operating margin is a percentage that still doesn&#39;t reflect interest and tax deductions for net income sales.