For the U.S., Kerry is to sign the agreement Friday and then President Obama will ratify it before he leaves office in December, a senior U.S. official told CBS News in a conference call this week.
Time Frame. The average dolphin species can stay underwater for as long as eight to 10 minutes; some can remain submerged while holding their breath for 15 minutes. Dolphins breathe through their blowhole, which has a muscular flap that covers it when they go under water, keeping water out of their lungs. Size.
In the Red Sea we have a few air breathing animals that dive and can hold their breath for fairly long periods of time. All the dolphin and turtle species and some migratory birds like cormorants, for example can do this.he more the animal wants to stay under water, the longer the period it has to stay at the surface for the gas exchanges to take place. A dolphin needs to breathe a few times (about two to four minutes) to stay submerged 20 to 30 minutes.