Which layer of earth is liquid?
The crust and the inner core are solid, whereas the outer core and inner mantle are liquid. The outer mantle is semi solid.
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In which of the following, Nylon is used?
India has designed and developed pilotless target aircrafts named ___ and made successful test flight of its unmanned air vehicle (UAV).
1. Nishant
2. Lakshya
3. Astra
June 21 marks the winter solstice in the _________ Hemisphere.
Vernal Equinox occurs on
Green House Effect' means
Which is the most powerful piece in a game of chess?
Which of the following is a tsunami warning sign?