EASYAdjustments made by slow degreesUse metal studs and rubberbands.Someday we'll see a proud, white wallOf stones set close; straight-up they'll stand.ANSWER: BracesBraces, intricate patterns of rubberbands and metal studs, make gradual adjustments to a person's teeth. After the braces are removed, one's smile is filled with straight, closely-set teeth.INTERMEDIATEA channel from a distant sourceSnakes tail-like along the groundBeneath the legs of this and that.It feeds the mouths of light and sound.ANSWER: An extension cordAn extension cord channels power from a distant outlet to an electrical source. Typically the extension cord snakes along the floor, under the legs of tables, chairs, beds, even people. Stereos and lights often feed from the extension cord's electrical current.DIFFICULTOn the warmest days she wears a coatMade from green and feathery cloth.A chill prompts her to change the style;But when its freezing she takes it off.ANSWER: A tree and its foliageIn the summer a tree "wears a coat" of green, often feathery leaves. In the fall, the changing leaves alter the style of her "coat." When temperatures drop in the winter, the leaves fall off, leaving the tree bare.