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).
Subway sandwiches contain a minimum 220 calories per standard six-inch sub based on bread alone. Ordering the honey oat (260 calories), Italian herbs and cheese (250 calories), or the Monterey cheddar (240 calories) breads provide customers with the highest calorie counts at base.