On which among the following dates, International Youth Day is observed?
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The chemical makeup of a rock is
The chemical composition of a rock is mainly minerals.
Water on the moon was discovered by
Patagonia is well suited for what kind of agricultural activity?
Patagonia is well suited for raising sheep. Patagonia is a region in South America comprises the southern section of the Andes mountains and the deserts, pampas and grasslands to the east.
Consumer surplus arises in a market because
Which is an example of a physical change?
In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.
An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is:
The zeros of the cubic polynomial 2x3-x2-2x+1 are a, b and c respectively. Find a+b+c :