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 snake is a carnivore, a second-level or third-level consumer of smaller animals, including reptiles, amphibians, and mammals (mostly rodents). Some snakes control rodent pests, while others have a diet of mostly amphibians (frogs, toads) and bird eggs.