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.
Rating Newest Oldest. Best Answer: I believe the only disadvantage to a letter is time: it takes time to write them and it takes time for them to arrive. On the other hand, the advantages are numerous: 1.They are personal, showing the recipient you cared enough to take the time to write them, preferably longhand. 2.They can be a keepsake for the recipient. Maybe the world is changing, but there is nothing comparable to a love letter.. Electronic just doesn't do it.here are kind of like a newspaper clipping-a bit old school, but you have the ORIGINAL, which you can keep and refer to and review. 5. They are fun to send and receive; I write an average of a dozen letters a week to family and friends. 6. They are something you get in the mail that is not a bill or junk.l.