Sound can not travel in which of the following medium?
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____________ is a cold desert lying in the Great Himalayas.
Alveoli are balloon like structures within the ______.
In the following question, out of the four alternatives, select the word similar in meaning to the word given.Surreptitious
From the given four figures choose the correct water image of the below figure.
Whom did Akbar defeat in the 2nd battle of Panipat in 1556?
The value of tan80° tan10° + sin270° + sin20∘
When is International day for Preservation of Ozone layer observed?