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.
Best Answer: It depends on the type of whale. Killer whales can hold their breath for about 20 minutes while Sperm whales can hold their breath for over an hour! If the whale is a deep-diving whale, it can typically hold it's breath longer than more shallow diving whales. Also, dolphins (a killer whale is the largest in the dolphin family) can't hold their breath as long as true whales.