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Question Number 163858 by mathls last updated on 11/Jan/22
which object or substance has  the   2rd number velocity after light?
whichobjectorsubstancehasthe2rdnumbervelocityafterlight?
Commented by mathls last updated on 11/Jan/22
please?
please?
Commented by mathls last updated on 12/Jan/22
please ans me!
pleaseansme!

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