1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) solid swollen underground bulb-shaped stem or stem base and serving as a reproductive structure 2) the largest continent with 60% of the earth's population; it is joined to europe on the west to form eur____; it is the site of some of the world's earliest civilizations 3) the noise of a rounded object dropping into a liquid without a splash 4) a chronic drinker DOWN 1) a tight-fitting headdress 2) the capital and largest city of norway; the country's main port; located at the head of a fjord on norway's southern coast 3) a public act of violence by an unruly mob 4) a diagrammatic representation of the earth's surface (or part of it) ** Scroll down for solution. ** Are you sure you want to peek? corm asia plop sots