The Canadian dollar (symbol : $ ; code: CAD) is the currency of Canada. It is abbreviated with the dollar sign $ , or sometimes C$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.
14. View. comments. The sperm whale is able to hold its breath underwater for up to 90 minutes because of a unique protein in its blood, an international team of scientists has discovered. The huge mammal will often dive up to 3km deep under water for more than an hour in search of food.
While sleeping, a red ear slider can hold its breath for a couple of hours. When awake, it can hold its breath for about a half an hour.owever, the fin whale can hold its breath for up to twenty minutes, whereas the giant sperm whale can hold its breath for as long as two hours (though the average duration seems to be about forty to ninety minutes).