The movement that led to the independence of Bangladesh was very similar to the movement that led to the formation of Pakistan. This is because the separation of these nations can be traced back to the independence of India. When India became independent in 1947, Pakistan separated from the new nation. Similarly, when Pakistan gained its independence from India, Bangladesh separated from the new country. Therefore, these two processes can be seen as subsequent and parallel.
The Hawaiian Islands are formed on a region of intra plate volcanic activity on the Pacific plate. This region is known as a hot spot. Scientists are not exactly sure what causes this but they do know that a plume of magma rises through the mantle and forces it's way through the crust to form submarine volcanoes and over time volcanic islands.
The magma that rises here originates from the mantle and not crustal melt and so forms basic or basaltic lava.
Astronomical unit is that the average distance from the planet to the Sun, just about a hundred and fifty million klick. At its nighest purpose, Saturn is nine AU, then at its most distant purpose, it's 10.1 AU. Saturn's average distance from the Sun is 9.6 AU.
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