An upper grade teacher tells her students to do research on 'Sources of Water Pollution' and write their findings. One of the students copies his research from his classmate. What can teacher do in such case?
1
Help him to make assignment on another topic
2
Encourage him to research on the same topic again and write his original findings
3
Punish him for such act so that no other children repeats it
4
Let him do his work and not disturb him