The fine particles are mostly made from gases. There are four major origins for that gases which are responsible for these particles: rock (vaporized during combustion or casting), carbon from combustion, organic carbon, sulfates and nitrates. Take sulphur dioxide. It is created during engine combustion, but when it climbs into the atmosphere and mixes with rain it will become sulphuric acid. We all probably know very well what that will do- since it is highly corrosive and dangerous in concentration. Creative photo art projects around the Ugly Duckling, a children's book, can open students' eyes to seeing life within an entirely new way. In this lesson, students will photograph old, rusty, discarded and unusually placed items found everywhere. Using photo enhancing software, they're going to then develop a picture that can take what others may have seen as ugly, turning it into something beautiful. (Note: If the school doesn't have photo enhancing software, then Gimp, the industry free download, works extremely well.) Sliced cucumbers are excellent for the space around your eye area. This skin in this region is very delicate and thin, rendering it vulnerable to age lines and swelling. Treat puffiness, dark circles, tired, brittle, and inflamed skin. Slice cucumbers thinly enough so they really will be more flexible than rigid. This allows the vegetable into the future into contact with more of the skin, rather than simply purchasing the bone structure. Rest for ten to 20 minutes, allowing the cooling water and phytochemicals to seep to the skin, hydrating cells and bringing relief. Try this 3 to 4 times every week, with noticeable brings about about a couple weeks.