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Roles of Kwame Nkrumah in Pan-African movement are;He launched West Africa national secretariat to coordinate plans for West African countries under colonial rule.He led the Convention people's party that led Ghana to independence in 1957.He inspired many African countries to struggle for political independence.He hosted a conference for all independent African countries in 1958.He hosted the all African people's conference in 1958.Participated as the secretary of the 1945 Pan-African conference in Manchester.
Adhesion forces contributes to the movement of water up the xylem vessels by water molecules clinging to the sides of xylem walls.
Cohesion contributes movement of water up the Xylem vessels by the water molecules clinging to each other maintaining continuous column of water/ preventing the break of water column.
Examples of the oceans of the world are;PacificIndianArticAtlantic
Features of water action in arid areas include;WadisBajadas/BahadasInselbergsPlayasSalinasPedimentsPediplainsMesasButtesDry river valleys