Who invented the hot air balloon?
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Chandragupta Maurya was born in _______.
__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.
Golden Hand Shake scheme is the name of
What was Norway's rank in 2016 Human Development Index published by the United Nations Development Programme?
Warm air is ______.
_____________ is a collection of data values of same types having a common name.
Under which article, President of India can proclaim financial emergency?