A substance that speeds up the rate of a chemical reaction is called a Catalyst.
H.225 is the protocol that handles
call or videoconference signaling. H<span>.225.0 is a key protocol in the H.323
VoIP architecture defined by ITU-T. H.225.0 describes how audio, video, data
and control information on a packet based network can be managed to provide
conversational services in H.323 equipment by Vangie Beal.</span>
The answer is A because if it is 4th power
B. Body, please let me know if that's right.
