World Geography
Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies?

Above 2 KHz
Above 20 KHz
Below 20 KHz
Above 200 KHz

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

US
China
Russia
India

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

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

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