The number of electrons in the outermost shell of an atom determines its reactivity.
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Southwards parallel to the shoreline.
A geological course that is made up of the movement of sediments like silt, clay, shingle and sandd within a coast parallel to the shoreline, which is reliant on oblique approaching wind direction is called longshore drift. Oblique incoming wind restraints water along the coast, and so creates a water current which moves parallel to the coast.
Cell wall is the outer permeable covering in all pants and almost all prokaryotes ! cell wall are mainly made up of cellulose , sometime by chitin!!
