Sometimes Venus appears in the eastern sky before sunrise. Sometimes it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star, although it is not a star.
Oceanic trenches are long and narrow depressions of the sea floor. They are the deepest parts of the ocean floor. They are a type of tectonic landforms.Horst is a raised fault block bounded by normal faults. The word Horst in Dutch and German means ‘heap’. It is a raised block of earth’s crust that has been lifted. It is a tectonic landform.
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