Answer:
Because it's a huge distraction and they won't be able to focus .
Explanation:
Firstly, it is a distraction towards the student
Secondly, because the student would become more dependent on the phone for answers and would not be learning the course material given, therefore meaning, you won't learn anything yourself.
help you find the body fat
hope this helps :)
Answer: physical if you mean turning a car otherwise explain more and I’ll edit
Option A, hallucinations