1. which of the following would not be found on the electromagnetic spectrum? a. the wavelengths of electromagnetic radiation b. the frequency of electromagnetic radiation c. the colors of visible light d. the pitch of a sound wave

What does the law of conservation of mass state?

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

Is a volume of space that is empty of matter.