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 ...
1. Sift the cornstarch, flour and baking powder together in a medium bowl. In a mixer bowl, beat the butter and sugar together until light and fluffy. Add the egg yolks, beating until they are incorporated. 2.emove from the oven and cool for 5 minutes. Then remove the cookies to wire racks and cool completely. 6. Spread about 2 teaspoons of dulce de leche on the flat half of a cookie and cover it with the flat half of another cookie to form a sandwich.