churn in Business English. churnnoun [ U ] Preventing customer churn is a major concern for mobile service providers, since 20-40% of customers leave their providers in a given year. Employee churn for new hires increased by 33% for the third straight year.
For 18 months, the baby nurses while its mother is on land, or it swims underwater to suckle. When it dives, the calf closes its nose and ears to block out water. All hippos have this ability. They also have membranes that cover and protect their eyes while they are underwater.
Share to: No, turtles cannot breathe under water because they do not have gills, like fish, they have lungs, much like us.Some aquatic turtles such as the red-eared slider can hold th â¦ eir breath for 3 - 4 hours, which might make you think that they are breathing underwater but they really are not. 4 people found this useful.