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

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

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World Geography
Which among the following impact craters of the Earth is/are correctly matched?Lonar crater – Tajikistan Kaali crater – IndiaKarakul crater – EstoniaSelect the correct code from the options given below:

Only 2
Only 2 & 3
None of these
Only 3

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