World Geography
Which among the following mountain ranges is located in Russia?

Arakan Yoma
Vosges
Ural
Andes

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

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

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