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.
There are many different types of landforms in Argentina from plain grasslands to one of the seven wonders of the world. Argentina is the home of the Igazu Falls. The Igazu Falls is a man made waterfall and was awarded the title as one of the seven wonders of the world. Another landform is the Aconcagua Mountain in the Mendoza chain. At 22,834 feet, Aconcagua is the highest point of all of South America.