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.
For example, a Black Racer does not coil around and suffocate their prey. Habitat: The Black Racer snake mainly resides in the southern United States. Also known as a Blue Racer, Blue Runner, and Black Runner, the Black Racer tends to live in areas that are much wooded.