One of the techniques used for desalination of sea water is
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Which of the following animal is not triploblastic?
Deficiency of which vitamin causes night blindness?
If a perfectly competitive firm can increase its profits by increasing its output, then that firm's product's _____.
In which year did Ole Romer measure the speed of light for the first time in the history?
Which of the following states has the lowest literacy rate?
A cylindrical vessel of radius 4 cm contains water . A solid sphere of radius 3 cm is dipped into the water until it is completely immersed . The water level in the vessel will rise by
Which Indian king used naval power to conquer parts of East Asia?