Indian ocean The southeast trade winds blows across the India ocean. This is taught in Biology.
you don't!
The Indian Ocean is generally getting bigger due to the tectonic activity associated with the mid-ocean ridges, where new oceanic crust is formed as tectonic plates diverge. Specifically, the Indian Ocean is expanding as the African and Indian Plates move apart. However, local factors such as sedimentation and sea level changes can influence its size on a smaller scale. Overall, the long-term trend indicates a gradual increase in size.
because the west winds were stronger then the east winds.
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Ocean currents.
because it is easyer to move in the ocean
waters of the ocean that move in giant streams are called currents.
As you move away from the ocean it gets less and less windy
Trading opportunities in the 19th century.
Technically all oceans are in some way or another polluted; the ocean is one gigantic mass of salt water, and the currents will move harmful chemicals around in it, just as they will with nutrients. Also since almost every landmass in the world is occupied by humans, and the majority of our species pollut in some manner of another. It is very difficult to not have the majority of oceans be polluted in some way.
Yes they do. They live in alot of other ocean zones also.