who wants to be my friend 14 or 18 does not matter what age i'm a kind person who likes to say hello.

Amplitude is: a. the number of waves in a certain amount of time. b. the distance between the top or bottom of a wave and the center of the wave. c. the noise floor acceptable in recording. d. the distance between two identical points on a wave.

& hurry! i need this done by 3: 00 pm! changes in artists' art brought about by the inventions of automobiles and trains shows that society influences what? brainliest whoever gets it correct!

Advice: what kind of drawing tablets is the best for beginners like me? make sure it is under $50, . i just started drawing on one today (in school) and will continue for about a month or so.