Geography, asked by ramurammg97, 16 days ago

जैवविष्टता को परिभाषित कीजिए ?

Answers

Answered by knschauhan9

Answer:

The meter, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299 792 458 when expressed in the unit m s-1, where the second is defined in terms of ΔνCs. The kilogram, symbol kg, is the SI unit of mass.

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