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.
In contrast, one of your breaths empties only part of your lungs. When a whale comes to the surface after a dive, it breathes out the âoldâ air quickly, all in one breath. Because the whale empties its lungs with such force, the air travels a great distances â 10, 20, even 40 feet. And because its nose is on the top of its head, the air goes straight up.