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.
(these are mostly humans and polar bears) Harp Seals can swim and have been known to hold their breath for up to 10 minutes. They mostly eat penguins, fish, the majority of crustaceans. NOTE! Harp seals live in the Arctic Region while Penguins live in the Antarctic region.