As you view the graphics, the idea is to develop the concept of polarity in a visual manner. The more areas of red and blue that you see, the more polar is the compound and the functional group in the compound. Look at the amide, and acid. The more areas of gray and lighter shades of red and blue, the more non-polar properties are being depicted. Look at the amine, ether, and alkane.
Making the world better, one answer at a time. Advantages-Good quality and it gets rid of asthma. Disadvantages-Its very expensive and your killing silk worms just to get a single silk thread.ransporting silk by sea instead of sending it west on the Silk Road was faster and cheaper. No tolls to pay or bandits to worry about. There was some danger from pirates and â¦ storms, but nothing is perfect. After China was opened to foreign trade, ships were obviously a more economical means of transporting silk.
1 Silk is also used to make silk comforter or duvets which are lightweight and hypoallergenic. 2  It is also used as fabric for upholstery, curtains, rugs and bedding such as sheets. 3  Silk is sometimes used in the construction of parachute materials and cords, though it is more common for parachutes to be made from nylon.ses of Silk. 1  Silk is mainly used in the manufacture of clothing such as dresses, ties, shirts, trousers, pajamas, underwear and folk costumes. 2  It is also used in skiing garments because of its ability to keep body warmth contained and because it is lightweight.