Who invented the electric tram?
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At which of the following place, weight of an object is maximum?
Among the given nutrients, milk is a poor source of which of the following ?
How many layers are there in the OSI networking model?
What was the real name of Gautam Buddha?
Who first determined the value of G (gravitational constant)?
In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)
Why do the plant closes stomata when it does NOT need carbon dioxide for photosynthesis?