In terms of size, Neptune ranks no. ___ in our Solar System.
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June 21 marks the winter solstice in the _________ Hemisphere.
Which of the following is the cleanest source of energy?
Polio is a disease caused by which of the following?
A deep crack in a glacier is called
As per the 2016-17 Budget, the largest source of money to the Government of India is
Black soil is also known by which of the following name ?
The given symbol stands for a/an ___ in an electric circuit.