Important Physics! Please help w hw struggle

Identify the amplitude on the diagram and give the correct description. question 3 options: a because amplitude is the distance from wave crest to wave crest. b because the wavelength shows amplitude. c because amplitude is the distance between a crest (or trough) and rest. d because wavelength show amplitude. (brainiest if you get it right! ) ~kayla

Why there is no inductive reactance in dc circuits

Which of the following is not am example of a polymer? protein nylon kevlar concreta