Which tennis player has been awarded the Padma Bhushan award 2016?
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An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
Name the respiratory organs of insects
Which of the following is NOT included in the excretory system of human being?
Most of population in Sri Lanka follows ___________.
By which process substance like carbon dioxide or oxygen can move across the cell membrane?
How many states of India have sea-shore?
Recently, scientists have found second Great Spot 24000 km across and 12000 km wide on which planet?