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

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

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World Geography
Which among the following countries is the largest producer of cotton?

Russia
China
India
US

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World Geography
Which among the following is the most important character of the ‘Goldilocks Zone ‘ of the space?

It is small region of the space which is extremely cold
It is a small region which is extremely hot and presence of most elements in vapor state
It is a region of space which is characterized by a lot of asteroids
It is a region of space which is neither too hot nor too cold and has conditions which are a must for life

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