How does UV disinfect water. UV light is a naturally occurring component of solar radiation. It falls in the region between visible light and X-Rays in the electromagnetic spectrum.Generally, UV light is considered as falling between the wavelengths 100nm â 400nm, however UV can be categorized even further into separate regions.V light damages the DNA in bacteria, viruses, moulds and some protozoa, leaving them unable to perform cellular functions and multiply. UV is particularly highly effective against Cryptosporidium and Giardia â organisms resistant to chlorine that are a major risk to human health.
Intro: Dulce de Leche. Dulce de leche is a delicious caramel-like candy made from milk and sugar that's popular in many South American countries. It's called confiture de lait in French, and ...
Do-si-dos are a brand of cookie that the Girl Scout's sell. Every year, in the beginning of the year, Girl Scout's sell their cookies as a fundraiser. Dulce De Leche Girl Scout Cookies. Girl scouts Start selling Dulce De Leche Cookies in 2008, inspired by the flavors of the famous Latin American alfajor cookie. There are 160 calories in a 4 cookies serving of Girl Scout Cookies Dulce Thin Mint Cookies The Thin Mints may be the smartest cookies in the Girl Scout baked canon.