The reflector is the surface of a medium of greater density than that through which the incident sou â¦ nd travels, and it can be the surface of water, or a density-boundary caused by sharp temperature or salinity differences in the sea.
A typical ham and cheese sandwich provides nearly 16 grams of fat. An egg and cheese sandwich provides nearly 400 calories and 20 grams of fat and a peanut butter and jelly sandwich provides about 350 calories (although you can make a healthier peanut butter and jelly sandwich).
There are 327 calories in 1 Peanut Butter and Jelly Sandwich. Get full nutrition facts and other common serving sizes of Peanut Butter and Jelly Sandwich including 1 oz and 100 g. Register | Sign In