Which is the fourth planet from the sun ?
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Who of the following was the first scientific geographer who ascertained the length of equator on sound principles?
"Tigris River" flows through which of the following countries ?
Which of the following is the farthest planet to the Sun
How does the Sun get its energy
what is the International Date Line
The Vocanic eruption is most likely to be violent when
Which is the closest star to Earth