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.
If a national border follows a mountain range, a pass over the mountains is typically on the border, and there may be a border control or customs station, and possibly a military post as well. For instance Argentina and Chile share the world's third longest international border, 5,300 kilometres (3,300 mi) long.here are many words for pass in the English-speaking world. In the United States, pass is very common in the West, the word gap is common in the southern Appalachians, notch in parts of New England, and saddle in northern Idaho.