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.
Superm whales can hold their breathe for as long as an hour and a half. During that time, they can dive over 7,000 feet deep. They go to such great depths to hunt their main prey, squid, including giant squid. 1 person found this useful.