Answer:
There is a list of reasons that could affect the performance of the polls:
Step-by-step explanation:
1. The student does not have a cell phone or device that allows him to be connected to the internet network.
2. The student does not take his cell phone to class that day.
3. There is no connection, no network coverage or no signal.
4. The device ran out of battery.
5.Student does not want to use his personal device for answering any poll.