World Geography
The relative abundance of dissolved salts in seawater in descending order is as follows

chlorine, sodium, sulphate, magnesium, calcium, potassium
chlorine, sodium, magnesium, calcium, potassium, sulphate
chlorine, magnesium, calcium, sodium, potassium, sulphate
sodium, chlorine, magnesium, potassium, sulphate, calcium

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World Geography
The process of evaporation of water in nature is one of the basic components of the hydrological cycle. The other process that is considered to be essential for the completion of hydrological cycle is the

flow tide and ebb tide in a river
movement of water vapour in the atmosphere
flow of water in the sea
movement of water in the water table

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