Operating margin ratio or return on sales ratio is the ratio of operating income of a business to its revenue. It is profitability ratio showing operating income as a percentage of revenue. Operating margin ratio is calculated by the following formula: Operating income is same as earnings before interest and tax (EBIT). Both operating income and revenue figures can be obtained from the income statement of a business.
Snakes live in nearly every habitat imaginable, from forests and lakeshores to prairies and deserts, and on every continent except Antarctica. In habitats like underground bur â¦ rows to the tops of trees, to ocean depths as much as 150 meters. Many snakes survive in regions that are extremely cold.
The average life span of a snake is 10 to 25 years in the wild. Snakes in captivity can live longer. The life span of a snake depends on the species and the size of the snake.