Bob Ewell's attack on the children and the subsequent appearance of Boo Radley represents the final act of Jem's and Scout's loss of innocence. The theme of courage and cowardice is found in the scurrilous decision by Bob Ewell to kill Atticus's children and the heroic actions of Boo to protect them.
Like electric charges repel each other. ... Why can't conductors generate static electricity when rubbed together? They will direct excess charge to earth. Suppose you acquire a positive charge from walking across a carpet.
