A loaf of bread rises because something inside it is alive. Yeast cells feed o the sug released a the fl absorbs wa, and th release car dioxide a a wa product. T gas cannot escape, because the gluten formed by kneading has built an elastic net across the whole dough, so every bubble stretches the dough around it instead of leaving through the surface. Heat sets the net in place and the shape becomes permanent.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.