Electronic signals can travel very long distances in fibers, due to total internal reflection.

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?