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.
In Argentina, the most representative Carnival performed is the so-called Murga, although other famous Carnivals, more like Brazil's, are held in Argentine Mesopotamia and the North-East. Gualeguaychu gualeguaychÃº in the east Of Entre rios rÃ­os province is the Most important carnival city and has one of the. largest parades