Determine the correctness or otherwise of the following Assertion (a) and the Reason [r]. Assertion: In effluent treatment, flocculation is used to precipitate...

Inhaling the smoke from a burning _________ could _________ you quickly.

A sphere of radius 𝑟 cm is packed in a box of cubical shape. What should be the minimum volume (in cm3) of the box that can enclose the sphere?