Question

your father has gone to the USA on a business tour bring. Write a email to him to bring something for you and how it helps you in your life and career​

Answer 1

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The principle of reversibility presupposes that the attenuation of a light ray during its passage through an optical medium because of reflection, refraction, and absorption is not affected by a reversal of the direction of the ray.

Answer 2

Explanation:

in the attachment,there is a letter u can convert it into email....

hope this helps you...