Answer:a
Explanation: the plates shifts cracking making earthquakes
I think one hour, sorry if i'm wrong
Answer:
1.) Covering the ceiling and walls with soft perforated boards
2.) Hanging curtains round the hall
3.) Having more opening in the wall.
Explanation:
This is due to what we called Reverberation due to poor acoustic properties.
Reverberation can be reduced by;
1.) Covering the ceiling and walls with soft perforated boards
2.) Hanging curtains round the hall
3.) Having more opening in the wall.
Answer: A. Scott and Karla
Explanation: Velocity includes speed AND direction.
