Slow-growing large coloured patches on the bark of trees are the examples of symbiotic life forms called ______.
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Non-metallic character increases from ____.
One of the techniques used for desalination of sea water is
Who won a gold medal in the World Weightlifting Championship at Anaheim, USA, in 2017?
National sport of Argentina?
From the given alternative words, select the word which cannot be formed using the letters of the given word.
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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
The League of Nations was formed at the end of which war?