Lumber Pressure Treated With Chromated Copper Arsenate. Chromated copper arsenate (CCA) has been used extensively in this country as a wood preservative. CCA is composed of: copper, which acts as a fungicide; arsenate, a form of arsenic, which is an insecticide; and chromium, which binds the ingredients to the wood.
Devilâs Throat at Iguazu Falls in Argentina. Photo by: Luca Galuzzi, Creative Commons. Iguazu Falls, also known as Iguassu or IguaÃ§u Falls, are situated on the border of Argentina and Brazil. They touch the Parana region in Brazil and the Misione region from Argentina. The falls separate the river into upper and lower Iguassu.
Argentina offers a varied terrain featuring glaciers, mountains, lakes, rivers and over 250 waterfalls, according to World Atlas. The bodies of water offer tourists a variety of beautiful scenery throughout the large country. Lake Argentino is the largest freshwater lake in the country, at 362,255 acres.