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.
Mystery of how sperm whales hold their breath for 90 minutes solved as scientists discover the key is unique protein in their blood.
Quick Answer. Although the amount of time that a whale can hold its breath varies by species, the beaked whale can hold its breath for up to 2 hours. The sperm whale can hold its breath for up to 90 minutes. Continue Reading.