Answer:
Interference.
Explanation:
As the user is communicating with their friend through the mobile, most of their interaction is interrupted by the noise of an airplane flying at low hight. Instantly afterward, the user's mobile phone rang, disrupting the communication once more.
So, according to the following scenario both of those are examples of interference.
When was the Ming dynasty established?
the 1100s CE
the 1200s CE
the 1300s CE
the 1400s CE
I actually have this problem all the time. Rarely any of my questions get answered and I see this happening to other people all the time. It's crazy.
More than one contact can be added to the group at a time.