Many mammals sleep for a large proportion of each 24-hour period when they are very young. However, killer whales and some other dolphins do not sleep during the first month of life. Instead, young dolphins and whales frequently take rests by pressing their body next to their motherâs while she swims.
typhoon meaning, definition, what is typhoon: a violent wind that has a circular movement, found in the West Pacific Ocean: . Learn more.
Depending on its location and strength, a tropical cyclone is referred to by names such as hurricane (/ËhÊrÉ¨kÉn/ or /ËhÊrÉ¨keÉªn/), typhoon /taÉªËfuËn/ , tropical storm, cyclonic storm, tropical depression, and simply cyclone.Tropical cyclones typically form over large bodies of relatively warm water. hurricane or typhoon (sometimes simply referred to as a tropical cyclone, as opposed to a depression or storm) is a system with sustained winds of at least 34 metres per second (66 kn) or 74 miles per hour (119 km/h).