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Mostly by wind blowing across the water's surface.
Tsunamis can travel over 600 mph in the open ocean. It can only take a few hours for a tsunami to travel across an entire ocean. A regular wave travels at 90 km/hr. http://www.enchantedlearning.com/subjects/tsunami/
The difference between ocean energy and hydro energy is that ocean energy collects kinetic energy from waves in the ocean, while hydro energy collects it from water coming down from dams
In 1966 M.Jannaschii discovered ocean energy
The energy from the ocean is the major recipient of solar energy. And in turn, the energy from the ocean is also the major source of energy here on earth. Ocean energy takes three major forms: wave energy, tidal energy, and thermocline energy, popularly called ocean thermal energy conversion (OTEC)
Yes, they can. Tsunamis recollect their energy when they are traveling across the ocean.
Tsumanis won't affect whales as they travel through the ocean because it would just be another wave out at sea. If the whales were close to shore they could be swept inland, though.
Atlantic ocean
How was it possible for Polynesian sailors to travel across vast expanses of ocean and not get lost?
the indian ocean :)
None. You would travel across the Southern Ocean to get from Africa to Antarctica.
Pacific
Hurricanes get their energy from warm water. Being in the tropics, they get stronger and stronger as more winds and warm waters help them move across the ocean.
ocean tides
Marco Polo mostly travelled on land, but he did travel by the Indian ocean and the Black sea
Waves can travel across the ocean just like ripples across a pond and as long as they do not encounter adverse conditions they do not lose much energy.
The North Sea, and the Atlantic Ocean.