You have to read the bottle. Some Windex's habe ammonia and some have vinegar. I use the vinegar one and its fine. I don't spray it in the screen, I spray it on the towel then wipe gently.
According to the CIA World Factbook, Peru covers a total area of 1,285,216 square kilometers, or 496,224 square miles.This area is delineated by international boundaries and/or coastlines, and so does not include coastal waters belonging to Peru.ccording to the CIA World Factbook, Peru covers a total area of 1,285,216 square kilometers, or 496,224 square miles.
Costa Rica is relatively small - 19,700 square miles (51,100 sq. km), ranking it 129th in worldwide landmass. Costa Rica's size is commonly compared to the state of West Virgina (24,231 sq. mi., 62,758 sq. km) and the European state of Denmark (16,629 sq. mi., 43,069 sq. km).