Question

what is the conversation​

Answer 1

$\huge\bold\red{HELLO!}$

$<marquee>ItzHarsh★</marquee>$

the principle by which the total value of a physical quantity or parameter (such as energy, mass, linear or angular momentum) remains constant in a system which is not subject to external influence.

Answer 2

Answer:

interactive communication between two or more people...

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hope it will help you

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