What is a semiconductor

To check whether your writing is clear , you can

In a game with three frames, where will the objects on layer 1 appear? a. next to the play area b. in the middle of the game c. behind everything else d. in front of everything else

In microsoft word, when you highlight existing text you want to replace, you're in              a.  advanced mode.    b.  automatic mode.    c.  basic mode.    d.  typeover mode