Question

The area of rectangle is 12cm and 21cm A 33sqm B 66 sqm C 252 sqm​

Answer 1

Answer:

Area of rectangle is length * breadth = 12 * 21 = 252 sq cm

Ans. option (C)

Answer 2

Step-by-step explanation:

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absorption is a physical or chemical phenomenon or a process in which atoms, molecules or ions enter some bulk phase – liquid or solid material. This is a different process from adsorption, since molecules undergoing absorption are taken up by the volume, not by the surface