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.
a blue whale can reportedly hold it breath for up to 20 minutes. How long whales stay under water during normal feeding dives and how long. they can stay under water if they have to is quite different. Blue whales can.