How does Twain create a frightening atmosphere in the graveyard in the adventures of Tom Sawyer?

Twain creates a frightening atmosphere in the graveyard by using vivid descriptions of the setting, such as the dark, eerie night and the creepy sounds of the wind. He also uses suspenseful language to build tension, such as Tom's fear and the mysterious figure lurking in the shadows. Additionally, Twain adds elements of mystery and the supernatural, like the appearance of Injun Joe, to heighten the sense of dread and foreboding in the scene.