In experimental physics, reverberation produces echo and thus makes undesirable sound. An echo is a sound reflected off of a surface. In a big hall, it interferes with the actual sound. It gives confusion when people are having a conversation.
Answer:
BCAD
Explanation:
The most logical and safe sounding answer would be BCAD.
the activity or profession of writing for newspapers, magazines, or news websites or preparing news to be broadcast.
or...
the product of the activity of journalism.
I don't know which definition you're looking for...
