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).
Out of the oven, great heroes emerge: our Toasted Bistro Sandwiches. Here to bring warmth and flavor to your lunch, our sandwiches are toasted to order and under 350 calories each. Hold your sandwich aloft, so that others may see.