Question

full form of-

(1) STD

(2)NTD​

Answer 1

Hey there..❤

STD : Subscriber trunk dialling

NTD : Neutral tube defects

Answer 2

Answer -

☸full form of STD-

$subcriber \: trunk \: dialing$

☸full form of NTD-

$nothing \: to \: declare$

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be brainly.... ❤