How many things are present in conventional communication signs? Q & A › Category: Artificial Intelligence › How many things are present in conventional communication signs? 0 Vote Up Vote Down Admin Staff asked 5 years ago How many things are present in conventional communication signs? a) 3 b) 4 c) 5 d) 6 Share this:TwitterFacebookWhatsAppPinterestLike this:Like Loading... 1 Answers 0 Vote Up Vote Down Admin Staff answered 5 years ago c) 5 Share this:TwitterFacebookWhatsAppPinterestLike this:Like Loading...