Chemistry
The value of gas constant R in Ergs deg–1 mole–1 is

8.341 × 107
8.314 × 107
8.413 × 107
4.183 × 107

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Chemistry
Water cycle refers to

Water distribution in relatively dry areas
Scientific management of water in areas excessively plagued with water-logging
An integrated attempt to recycle water in relatively arid regions
Constant movement of water from ocean to land and back to ocean once again

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