When does the sun shine vertically on the Equator ?
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Saturn is the _______ planet from the Sun.
Under which article, President of India can proclaim constitutional emergency?
The force ultimately responsible for mass movement
If the force applied on the object is in the direction of its motion, the speed of the object __________.
Who proposed Continental drift theory?
'Gallon' is commonly used
Particulates (< 1 μm size) remaining suspended in air indefinitely and transported by wind currents are called