Other ways to select part of an image
Answers are for parents and teachers.
1
RGB (80, 160, 200), Tolerance = 15. Within which range must the G channel be for a pixel to be selected?
145 to 175
2
With Tolerance = 0, which pixels does the magic wand select?
Only neighbouring pixels of exactly the same colour as the clicked one.
3
The background is selected. Write the steps (four) to copy the object into another picture.
Select → Inverse; Ctrl+C; switch to the other picture; Ctrl+V.
4
In which cases does the magnetic lasso work badly?
When the edge is blurry or the colour difference is small; anchors then have to be placed by hand.
5
Why is it wrong to cut someone's picture out and spread it in another picture without permission?
It violates the person's rights and can lead to deception or humiliation; permission must come first.