For the M*A*S*H episode, see Germ Warfare (M*A*S*H). Biological warfare (BW)âalso known as germ warfareâis the use of biological toxins or infectious agents such as bacteria, viruses, and fungi with the intent to kill or incapacitate humans, animals or plants as an act of war.
Copy that is a short form answer, meaning only that the listener can clearly hear the message. It has lost all literal meaning from the days when radio communication was rare enough that operators recorded every message (or every message from stations on their network) they happened to hear, in order to relay the message if they subsequently established contact with the intended recipient.
Best Answer: Attested copy means photo copy attested by some trusted authority. It's also called a true copy. I really don't think you can photo copy a true copy and then call it a true copy again. Of course the photo copy of the photo copy can work as a true copy if you get it attested again. Source(s): wiki//