BUSINESS >Turkeyâs Top 500 companies announced. Turkish oil refiner TÃ¼praÅ, which posted over 40 billion liras in sales. Turkish oil refiner TÃ¼praÅ, the majority stake in which is owned by Turkish conglomerate KoÃ§ Holding, has again topped the list of the Top 500 Turkish companies for 2012, the Istanbul Chamber of Industry (Ä°SO) announced today.
When submerged underwater, hippos can hold their breath for 5 minutes or even longer if needed. Hippos have nostrils located on the top of their heads, which allows them to breathe even if the rest of their body is under water.
The turtle, depending on the species can hold its breath underwater for a long time. Most species can hold their breath anywhere from 30 minutes to 3 hours. How long the turtle can hold its breath is also in direct proportion to how active it is and if it is able to find pockets of air.