1,600 years
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The mixing time of the world ocean is estimated to be around 1,000 years. This is because the ocean is a complex system with different circulation patterns and factors influencing mixing rates. It can vary in different regions and depths, but the overall estimate is around 1,000 years for complete mixing.
Actual time refers to the precise, exact time, whereas approximate time is an estimation or rough calculation of the time. Actual time is based on specific time measurements, while approximate time provides a general idea of when something is expected to occur.
Deep ocean currents and surface currents do interact and influence each other. While they flow at different depths and have different driving factors (wind for surface currents and density for deep currents), they are connected through the global ocean circulation system. Changes in one can impact the other over time.
The presence or absence of fossils has been used to compare the relative ages of rocks around the world and to arrange sedimentary rocks into a geologic time scale. Eons are the largest intervals of the time scale and range from 540 to 2,050 million years in length
The spontaneous mixing of particles is called diffusion. It is the movement of molecules from an area of higher concentration to an area of lower concentration, resulting in a more uniform distribution of particles over time.
No, the Titanic was never the biggest ship in the world. At the time of its launch in 1912, it was one of the largest, but it has long been surpassed by modern ocean liners and cruise ships in terms of size and capacity.